41/4 x 2 4/5

1/2 x 4 3/4

11/12 + 5/11

1.) 11 9/10

2.) 2 3/8

3.) 1 49/132

Step-by-step explanation:

I just put them in my caculator

I couldn't simplify the last one so someone else might have to help you on that one cause tht doesn't look right to me Haha

Im sorry I couldn't answer all but i hope this helps :)

-8

Step-by-step explanation:

−8 * f(1) −4 * g(4)

= -8 * (-2) -4 * 6

= 16 - 24

= -8