Write an numerical expression for "6 times the sum of 4 and 5." a) 4 + 5 x 6 b) 6 x (4 - 5) c) 6 x (4 + 5) d) 6 x 4 + 5

C) 6x(4 + 5)

Step-by-step explanation:

This the only one that makes sense. A doesn't work because of pemdas. You'd have to multiply before adding. B doesn't work because the original problem doesn't call for subtraction at all. And D doesn't work for the same reason that A doesnt.

answer: y = -2.5x - 15

              (-6,0)

step-by-step explanation: