Evaluate the expression x²-3y +12 for x= -2 and y = 5

Iwill make brain if you me correctly fill this out needs due today pls and send it back to me (click the link and you will get it)

Which of the following contains a variable?

5. (04.07)which of the following exponential functions goes through the points (1, 12) and (2, 36)? (2 points)f(x) = 3(4)^xf(x) = 4(3)^-xf(x) = 3(4)^-xf(x) = 4(3)^x