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

Worth 15 points

Step-by-step explanation:

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

when studying polynomials, you often hear the terms zeros, roots, factors and x x the multiplicity of a zero is important because it tells us how the graph of the let's look at the graph of a function that has the same zeros

step-by-step explanation: