Which is the value of this expression when m=3 and n=-5? fr
70/
0 -8
O-!
1
8
1
8
|
8
Math Pre Algebra

Can someone answer these problems for me

Suppose that a households monthly water bill (in dollars) is a linear function of the amount of water the household uses (in hundreds of cubic feet, hcf). when graphed, the function gives a line with slope of 1.65. if the monthly cost for 13 hcf is $46.10 what is the monthly cost for 19 hcf?

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