Question

I just need number 15 pls it is due in 3 hours

Worth 15 points

Answer 1

Answer:

Step-by-step explanation:

Don't know. Maybe you add up the two numbers then divide the answer.

Answer 2

Answer:

He is wrong in his approach, because the triangle is a 3,4,5, triangle and he should have put √5^2-4^2

Step-by-step explanation: