Answer:
Step-by-step explanation:
(f o g)(7) = f(g(7))
but g(7) = 7-4 =3
(f o g)(7) = f(g(7)) = f(3) = 3² =9
Answer:
x=27
Step-by-step explanation:
3x -4y =65
Let y=4
3x -4*4 =65
3x-16 = 65
Add 16 to each side
3x-16+16 = 65+16
3x = 81
Divide each side by 3
3x/3 = 81/3
x = 27
Answer: 12:28
Step-by-step explanation:
40/10=4
4x3=12
4x7=28
B.
The cost of the car depreciates every year by $20,000.
He would drink 12 cups of water a day. There are 4 cups in a quart so 4 times 3 is 12.
