Answer:
20
Step-by-step explanation:
3 (b + a) = c
3 (4 + 5) = 7
12 + 15 = 7
27 = 7
27 - 7
20
Answer:
f(3) = 4
f(-7) = -26
Step-by-step explanation:
Hi there!

To find f(3), replace every x with 3:

Therefore, f(3)=4.

To find f(-7), replace every x with -7:

Therefore, f(-7)=-26.
I hope this helps!
Answer:
144x^2−y^2−169 because ther are no like terms
Step-by-step explanation:
25 candy in a bag, if 2/5 or 40% of candy is caramels. Then 10 in each bag is caramels.
Your answer would be C.