What is the measure of ABC

One card is dealt from a 52 card deck. find the probability that the dealt card is a 4 or a black 7

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?

Which steps could be part of the process in algebraically solving the system of equations, y+5x=x^2+10 and y=4x-10