Joshua wants to buy a flat-screen tv that costs $625. he saves $62.50 each week to buy the tv. in how many weeks will he have enough money to make his purchase?

Iwant to know what 3g+5h+4g-2h is my teacher is too selfish to tell us

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.

There are 45 questions on your math exam. you answered 810 of them correctly. how many questions did you answer correctly?