Which expression has the greatest value?
A. -8 - (-3)
B. -8 + (-3)
C. - 3 - (-8)
D. -3 + (-8)
C.-3 - (-8)
100
Which is the best estimate for the circumference of a circle with a diameter of 15 inches? (C =πd)
A. 18.1 inches
B. 23.6 inches
C. 32.5 inches
D. 47.1 inches
D. 47.1 inches
100
Determine whether each event is impossible, unlikely, as likely as not, likely, or certain.
rolling a number greater than 5 with a number cube
unlikely
100
What is the sum of two complementary angles?
90 degrees
200
Solve the equation.
4.2 = 0.8k
k = 5.25
200
A submarine is 50 meters below sea level. It goes up 15 meters, then goes down 40 meters. What is the submarine's new position relative to sea level?
-75 meters
200
John is building a dog pen that is 6 feet by 8 feet. How much fencing material will he need to go all the way around the pen?
28 feet
200
Jon's mean height is 62 in. At the first two checkups Jon's height was 58 in. and 61 in. What was his height at the third checkup?
67 in.
200
Which property is represented?
3 + 0 = 3
Identity Property of Addition.
300
On Thursday, 30 students went to after-school tutoring. On Friday, 6 students went. What is the percent decrease in the number of students who went to tutoring?
80%
300
Which multiplication equation is false?
A. (-a) x (-1) = (-a)
B. (-a) x 0 =0
C. (-a) x 1 = (-a)
D. (-a) x b = b x (-a)
A. (-a) x (-1) =(-a)
300
A rectangle is 6 feet long and 15 feet wide. Which dimensions correspond to a similar rectangle?
A. 8ft; 24 ft
B. 10 ft; 25 ft
C. 15 ft; 35 ft
D. 18 ft; 40 ft
B. 10 ft; 25 ft
300
Darian made 26 of the 32 free throws he attempted. Which percent is closest to the experimental probability that he will make his next free throw?
A. 50%
B. 60%
C. 70%
D. 80%
D. 80%
300
Which property is represented?
1 + (6 + 7) = (1 + 6) + 7
Associative Property of addition
400
What is the solution to the inequality 35 - 2x > 10?
x < 12.5
400
Order from least to greatest.
-3/5, -5/7, -0.65
-5/7, -0.65, -3/5
400
On a map, the scale is 3 cm = 75 mi. If the distance between two cities on the map is 6.8 cm, what is the distance between the cities in miles?
170 miles
400
What is the lower quartile in the data set:
73, 67, 75, 81, 67, 75, 85 69
68
400
What is the multiplicative inverse of 4 2/3
3/14
500
Solve the equation.
2/3x + 1 = 5
x = 6
500
Beth plays a video game in which she starts with 0 points. In round 1, she loses 3 1/2 points; in round 2, she wins 28 1/2 points; and in round 3, she loses another 3 1/2 points.
What is her final score?
21 1/2
500
Find the area of a triangle with a base of 16 ft and a height of 0.7 ft.
5.6 square feet
500
In the cafeteria, there are 7 teachers, 48 girls,and 45 boys. What is the probability that the next person who enters the cafeteria is a boy?
9/50
500
If the diameter of a circle is 5/6 inches, what is the radius?