Which fraction is not in simplest form? Explain.

: 9/21, 7/18, 3/25, 12/31

How much did the temperature cool off from the sixth year to the seventh year on the given day? -2 -3 -4 -5

Kenji packed an exercise ball into a cylindrical package. The inflatable exercise ball is made out of vinyl. How much vinyl was used to make the exercise ball? Express your answer in terms of pi.

Angle θ lies in the second quadrant, and sin θ =. cos θ = tan θ =

The perimeter of a rectangle is 74 cm. The length of a rectangle is 5cm less than twice the width. Find the dimensions of the rectangle.

List the first 5 multiples, and find ALL the factors of 7.

The fixed expenses are what percent of mary's income?

Terrance and jesse are training for a long distance race. Terrance trains at a rate of 6 miles every half hour and jesse trains at a rate of 2 miles every 15 minutes. What is the unit rate in miles per hour for each runner?

Yancy estimates that the product of a fraction and a decimal is 10. Which expression could represent the fraction and the decimal? a. 1/4 x 41.29 b. 2/3 x 29.4 c. 3/4 x 30.53 d. 5/6 x 62.3

Subtract: 7 9/16 - 4 2/4 A. 3 7/12 B. 3 1/16 C. 3 7/20 D. 3 11/12

Factor 42x+28y using the GCF the factored expression is