A square has a perimeter of 38 inches. We want to know the length of each side. choose the best model for this problem

Suppose a right circular cone has a fixed height 3.6 inches. Use differentials to estimate the change in the volume of the cone if its height is kept constant but its radius is decreased from 1.3 inches to 1.27 inches.

Two numbers total 52 and have a difference of 26. Find the two numbers.

By drying tea leaves you can get 4.2% of its weight as tea. What weight of fresh tea leaves do you need to get 46.2 lb of tea?

What does the digit 5 mean in 9051 place

7x - 7 = 126 what is x

Toothbrushes are $4.00 each. there is a 10% discount but also 6% sales tax. What is the new price?

If f (x) = 2x-7, what is f (-2) ?

a boat going upstream at 4 mph then travels downstream at 10 mph. what is the rate of the boat in still water

At a pet store, the ratio of female birds to male birds was 7:4. Write a sentence explaining what this means.

Factor 5x^2a^2 - 19xa^2 - 4a^2. Show your work.