Just to cover your
A pair of shoes costs $25 to make. This means that you need to charge a price of at least_
costs.
$25
$50
$10

Is the product of two rational numbers irrational or rational? first, make a hypothesis by multiplying two rational numbers. then, use variables such as x=a/b and y=c/d and the closure property of integers to prove your hypothesis.

Which of the following is the sum of 3 1/6 + 6 3/8?

If cos(θ)=2853 with θin q iv, what is sin(θ)?