Answer:
Step-by-step explanation:
Good question. It is important to know the answer.
The 9 means that there are a total of 20 objects. You want to select just 9 of them.
The situation is well described by C.
Answer:
2x^2
Step-by-step explanation:
combine like terms, and do the subtraction!
Step-by-step explanation:
f(g(x))
= f(4x)
= (4x) - 3. (A)
19x-15 = 15x -7
4x = 8
x =2
19(2) -15 = 23
15(2) -7 = 23
