What is the slope of the line containing (-3,1) and (1,-2) ?

a. -4/3
b. -3/4
c. 3/4
d. 4/3

Given the following statements, which is the best

Aiden buys two bags of chips at $1.09 each and a 20 ounce soda for $1.20 at the gas station. he knows that the state tax is 5.5. how much change will he receive from a $5 bill?

There are 15 plates and each plate is either 7 or 12 inches diameter. which systems of equations do you use to find the number of 7 inch plates, x and 12 inch plates, y