Step-by-step explanation:
(f+g)(x) ➡ f(x) + g(x) ➡ 6x^2 + 2x -7 + 4x - 3 =6x^2 + 6x - 10
(f-g)(x) ➡ f(x) - g(x) ➡ 6x^2 + 2x - 7 -4x + 3 = 6x^2 -2x -4
79 is 4 below 83 so her next grade needs to be 4 above in order to get an average of 83. The answer is 87.
There are 129 tens because 43x30 (3 tens) is 1,290
Answer:
2.8 inches each month
Step-by-step explanation:
14 divided by 5
Answer:
1 1/2
one and one half.
Step-by-step explanation: