George walks to a friend's house. He walks 750 meters North, then realizes he walked too
far. He turns around and walks 250 meters South. The entire walk takes him 13 seconds.
What is his speed per second?

Peaches cost $4.29 per pound. find the cost of two and a quarter pounds of peaches.

Leo has b boxes of pencils. each box contains 6 pencils. he has a total of 42 pencils. the equation that represents this situation the value of b that makes the equation true the first one is b+6=42,6b=42,b=42+6,or 42b=6 the second one are 7,836 48

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.