Let f(x)=-4+7 and g(x)= 10x-6 find f(g(x))
-40x +24
-40x + 31
-40x + 64
-40x + 70

Acompany is testing in comparing to lightbulb designs the box plot shows the number of hours that each lightbulb design last before burning out which statement is best supported by the information of the plot

Let w=23 . what is the value of w + 45 ?

Two numbers have a sum of -19. one number is x. what expression represents the other number?