Sarah buys jeans for $38 each. Which expression could be used to find the total cost of (x) shirts?
A. 38-x
B. x + 38
C. 38x
D. 38/x
C. 38x
A regular 8-sided figure has a side length of 3x + 5. What is the perimeter of the figure?
24x + 40
Which number goes in the blank to make the equation true?
12(x + 3) – 3 = 12x + _____
33
The ratio of boys to girls in a classroom is 6 to 7. There are 18 boys in the classroom. How many girls are in the classroom?
21
Solve for x.
17 + x = 23
6
Round 151 to the nearest hundred.
200
2(3) + 12 divide 4
9
Which expression is equivalent to 6 less than the product of 4 and a number, y?
A. 4y – 6
B. 6 – 4y
C. (4 + y) – 6
D. 6 – (4 + y)
A. 4y-6
10 x 3.67
36.7
add: 5.67+2.34
8.01
What is the formula for the area of a triangle?
A=1/2(bh)
A car travels 180 miles in 3 hours. At this same rate, how many miles will the car travel in 5 hours?
Answer: 180 ÷ 3 = 60 miles per hour.
60 * 5 =
300 miles.
order from least to greatest: 6.010; 6.100; 6.001
6.001; 6.010; 6.100
Evaluate the expression below if y=11
6 + 5y
61
Subtract: 80-39.6
40.4
Mariah collects stamps. She has a total of 670 stamps. Twenty percent of the stamps are rare. How many stamps in her collection are rare?
134
Solve for f.
86.5 = f – 7.63
94.13
What is 1/2 in decimal form?
0.5
Brian bought 35 feet of rope. He used 4.963 feet of this. How much rope does Brian have left?
30.037
(6 - 4)2 x 5 - 15.5
4.5
What is the product of 352 and 15?
What is 5,280?
If 1 foot = 12 inches and Jasmine is 4 feet 3 inches tall, how tall is she in inches?
51 inches
52 - (10 + 2)
13
what is 1/4 as a decimal?
0.25
323x13
4199
Sally had 25 red toys that weighed 5 pounds each, and 45 yellow toys that weighed 8 pounds each. How much did all of her toys weigh?
485 pounds
Semaya is going on a 2,750-mile trip. She will drive 250 miles each day. How many days will Semaya’s trip take?
11 days
Which expression is equivalent to 2(4b + c)?
C
What is the formula for the area of a rectangle
A =L x W
A box of 8 crayons costs $0.96. How much does each crayon cost?
0.12