Expressions
Which expression is equivalent to
- (15 + 3x) ?
A. -15 + 3x B. -15 - 3x
C. -18x D. 15 - 3x
B -15 - 3x
What is the diameter of a circle that has a radius of 18 ft ?
36
Two angles form a complementary angle. One angle is 32 degrees, how many degrees is the other angle?
58
The list below shows the height of 5 plants.
2, 8, 7, 8, 9
Which term BEST describes the spread in the values of the data in this list?
A mode B mean
C range D median
Range
The winter clothing drive has received donations of 5 coats, 23 pairs of gloves, 19 scarves, and 3 hats so far.
Based on this data, what is a reasonable estimate of the probability that the next donation is a pair of gloves?
0.46 46/100 46% 23/50
Which expression is equivalent to
10 - (4y + 3) ?
A. 4y +13 B. 4y + 7
C. -4y + 13 D. -4y + 7
D
What is the area of a circle that has a radius of
2.5 cm ?
19.625
Two angles form a supplementary angle, one angle is 36 degrees, how many degrees is the other angle?
144
The data below shows the scores of ten students on a math quiz.
72, 92, 88, 67, 54, 58, 64, 76, 65, 72
What is the average (mean) ?
70.8
Marvin Martian, Aly Alien, and Hank and Henry Human are all looking for a hidden spaceship. Their probabilities of finding the spaceship first are as follows:
Marvin= 30% Aly= 0.4
Hank= 1/2 Henry= 1 out of 4
Put the following events in order from least to most likely.
Henry, Marvin, Aly and Hank
Which expression is equivalent to
9x – (4x + 7) + 8 ?
A. 5x + 1 B. 5x + 15
C. 5x - 1 D. 13x + 15
A 5x + 1
What is the circumference of a circle that has a radius of 4 ?
25.12
A complementary angle is separated into two angles. One angle is 2x and the other angle is x + 24. What is the value of x ?
22
Joni's Scores 70 60 80 90 90 100 80
Sally's Scores 100 50 90 90 70 70 70
Which statement is true?
A. Sally’s median score is higher than Joni’s median score.
B. Sally’s median score is lower than Joni’s median score.
C. Sally’s median score is the same as Joni’s median score.
D. The median scores cannot be determined.
B
Julius is going to have a multi-course meal. The following shows how many different dishes are offered for each course.
Appetizer 3 Main 4 Dessert 3
How many different meal combinations does Julius have to choose from?
36
Using the distributive property and by combining like terms, create an expression that is equivalent to
12(3 – x) – 14 + 4x?
22 - 8x or -8x + 22
The circumference of a circular bowl is about 43.96 cm. What is the diameter of the bowl?
14
A supplementary angle is separated into two angles. One angle is x - 58 and the other angle is 6x. What is the value of x ?
34
Team A has a MAD of 3.1
Team B has the following scores 51, 47, 35, 48, 64
What is the difference in the mean absolute deviation of the two teams?
3.7
If you flip three fair coins, what is the probability that you'll get two tails and one head in any order?
3/8
Which expression is equivalent to
-1/2 (1/3x - 2/5)
A. -1/6x - 2/5 B. -1/6x + 2/5
C. -1/6x + 1/5 D. -1/6x - 1/5
C
Jennifer has a round pool that needs a cover. The cover she needs is 379.94 square feet. What is the radius of her pool ?
11
A right angle is separated into three angles. The angles are 3x - 5 , 6 - 2x and 8x + 17. What is the value of x ?
8
The test scores for the students in Mr. Miller’s math class are shown here.
82, 67, 52, 94, 85, 69, 87, 76, 84
What is the interquartile range (IQR)?
18
Abe spun two spinners numbered 1-6 After each spin, he recorded the sum of the two spinners.
If Abe spun both spinners 900 times, about how many times could Abe expect a sum of 5 or 6?
225