Kerri buys 3 pens for $1.50 each. She pays with a $10 bill. How much change
should she get back?

10 - 4.5 = 5.5

Step-by-step explanation:

1.50 x 3 = 4.5

10 - 4.5 = 5.5

Depends on what coins you are using. It really depends but you would get $5 dollars and .5 cents but you can convert depending on what coins you use

a negative exponent is translated as follows:

so, we have

y=1/4x-4

step-by-step explanation: