How many kilowatt hours of electricity did the smiths use during february

Inez has a phone card. the graph shows the number of minutes that remain on her phone card a certain number of days.

What is another way to express 36 +32

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.