Answer:
16
Step-by-step explanation:
Step 1: Write out expression
a²
a = -4
Step 2: Substitute
(-4)²
Step 3: Evaluate
16
Answer:
0.75
Step-by-step explanation:
Answer:
Step-by-step explanation:4/3 inch increase per year
The answer is the third option. 3 more means 3 +, the quotient of 9 and a number cubed means 9 divided by n cubed, and decreased by 2 means subtract 2.
23^2 - 17^2
= (23-17)(23+17)
= 6 * 40
= 240