820 brushes decreased by 25%

What's the percent change of 36; 63

4•3/8= What does that equal

Max can mow a lawn in 45 minutes. Jan takes twice as long to mow the same lawn. If they work together, the situation can be modeled by the following equation, where t is the number of minutes it would take to mow the lawn together.

Initial population is 4000. Annual growth rate is 1.6%. Find the population in 12 years.

Mrs. Williams combined 10 3/4 cups of peat moss, 5 1/2 cups of compost, and 2.75 cups of organic fertilizer make plant food for her roses. She evenly distributed the plant food among 4 rose bushes.

To determine the height of a television tower, a person stands 135 ft from its base and determines the angle of elevation to the top of the tower to be 38 degrees. What is the height of the tower?

If sine theta equals one half and pi over two is less than theta is less than pi, what are the values of cos Θ and tan Θ?

Simplify - |-5 + 2|. A.-7 B.-3 C. 3 D. 7

Prove that 6+7 root 2 is irrational

X + (4 1/3) = (-2 5/6)