Answer:
B 405
(=20*9 + 25*9)
what are the blue-ish dots on your screen? :|
The answer & explanation for this question is given in the attachment below.
B. f(-5) = -70
Step-by-step explanation:
f(-5)= 10(-5) - 20
f(-5) = -50 - 20
f(-5) = -70
d) 4 + 7 - 2
7 + 2 - 4 = 5
2 + 7 - 4 = 5
7 - 4 + 2 = 5
4 + 7 - 2 = 9
54+7x
-2+7(x+8)
-2+7x+56
