Answer: = 
Step-by-step explanation:
First, Combine Like Terms:
= 3x^2 + −5x^2 + 4x^2
=(3x^2+ −5x^2 + 4x^2)
=2x^2
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<em>~ 234483279c20~ </em>
Answer:
y=mx+b
Step-by-step explanation:
The m=slope. The x is just there, and the b=the line it passes through
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Answer:
As a triangle because it's a quadratic shape
He worked 5 hours in total: 35$ for the first hour, + 23 + 23 + 23 + 23 = 127$ for five hours of work.