Answer:

Step-by-step explanation:
Given
-
× -
( negative times negative = positive )
=
×
( cancel the 4 on the numerator and denominator )
= 
Answer:
(10x−7)^2
Step-by-step explanation:
(10x+7)(10x-7)
i stead of making it a "100" since they are both the same but positive and negative () and bring it to the power of 2
The answer is 3.3 hope this helps you .Skateboards
-a) function 2, function 4
-b) function 4
-c) function 2
12xy i think lol :) hope that helps a bit