The initial population of bacteria in a lab test is 400. The number of bacteria doubles every 30 minutes. Predict the bacteria population at the end of three hours

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