LOOK AT THE ATTACHMENT. NEED THIS FAST

8

Step-by-step explanation:

So for this question you use pythagorean theorem:

varible a & b are the sides while c is the hypotenuse of the triagnle

To solve you later the equation to look like:

So it would look like:

1. (10)^2 - (6)^2 = a^2

2. 100-36 = 64

3.

answer: the common difference is -0.10

b

step-by-step explanation:

the word superfluous means unnecessary