Answer:
10
Step-by-step explanation:
He had 20 but gave his friend 10 apples and now he has 10. It is just subtraction.
20 - 10 = 10
Answer:
540 in^3
Step-by-step explanation:
You do lwh.
10 * 18 * 3.
Step-by-step explanation:
The product of 3.6 x 4.2 is 15.12
Answer:
3/2
Step-by-step explanation:
Find the inverse function of f(x) = 2x + 5:
1. Replace "f(x)" with "y:" y = 2x + 5
2. Interchange x and y: x = 2y + 5
3. Solve for y: 2y = x - 5, or y = (x - 5)/2
Then f^(-1)(8) = (8 - 5)/2, or 3/2
