The product of (a − b)(a − b) is a^2 − b^2

Sometimes

Always

Never

Sometimes

Step-by-step explanation:

Expanding (a-b)(a-b), we get a^2 - 2ab - b^2. This is equal to a^2 - b^2 when a=0 and b=0.

part 1 answer = 8

part 2 answer = 72

step-by-step explanation:

part 1 explanation = add all of the numbers, then divide by how many numbers you have. so, 200/25 = 8.

part 2 explanation = not gonna lie, this is hard to explain, so just google how to do it.

answer: it's d

step-by-step explanation: