Do restrictions on variables remain the same after a rational expression is simplified?

David purchased some cookies at the cost of 5 for $4 and sold them at 4 for $5. David made a profit of $180 in total. How many cookies did David purchase to make that much money?

Solve the proportion 4/5=x/27

A garden table and a bench cost $1,000 combined the cost of a garden table is three times the cost of the bench what is the cost of the bench.

64 ounces in 8 cups unit rate

Which of the following values does not satisfy the inequality-2x-6is less than or equal to 1 A) - 4 B) - 3 C) - 2 D) - 1

The media center at josh's school has a computer area. the first 4 rows have 6 computers each. the fifth row has 4 computers. how many computerz are there?

Swimming 1/4 of a mile uses about the same number of calories as running 1 mile. Glida ran a 26 mile marathon. about how far would her sister have to swim to use the same number of calories Glida used during the marathon?

A can diameter is 3 inches, and its height is 8 inches. what is the volume of the can.

Mo's farm stand sold a total of 164 pounds of apples and peaches. she sold apples for $1.75 per pound and peaches for $2.50 per pound. If she made $337.50, how many pounds of peaches did she sell?

Use strong mathematical induction to prove the existence part of the unique factorization of integers theorem (Theorem 4.4.5). In other words, prove that every integer greater than 1 is either a prime number or a product of prime numbers.