Answer:
1
Step-by-step explanation:
Answer:
-2a + 3
Step-by-step explanation:
We can substitute a + 7 for x:
f(a + 7) = 17 - 2(a+7) = 17 - 2a - 14 = -2a + 3
The shirts were sold at $15 each.
Answer:
I'm confused on what it's asking
Step-by-step explanation: