8x^2-5x-2
method
open bracket
6x^2-2x-3+x^2-3x+1
collect like terms
6x^2+2x^2-3-3x+1
8x^2-3-3x+1
again collect like terms
8x^2-2x-3x-3+1
8x^2-5x-3+1. (-×-=+ addition but keeping sign minus
8x-5x-2. (-×+=-)
She earned $90 commission last month.
Step-by-step explanation:
Given,
Commission rate of saleswoman = 3%
Sold worth of merchandise = $3000
Commission amount = 3% of sold worth

She earned $90 commission last month.
Keywords: percentage, division
Learn more about division at:
#LearnwithBrainly
Answer:
C
Step-by-step explanation:
Quadratic model is shaped like a "U", or a parabola
Quartic model is shaped like a "W", highest degree is 4 (x^4).
Linear model is a line.
Cubic model is x^3, shaped like a curvy snake.
Looking at the graph, it <em>clearly</em> shows a line. So, linear model is the answer.
C is the correct answer.
Answer:
A) 13.50>9.00
B) $7
Step-by-step explanation:
A) 4.50*3=13.50 (Peter) 4.50*2=9.00 (Cindy)
B) Cindy would have to earn $7 an hour if she works 2 hours per day because 7*2=14
19 × 2 = 18
18 × 20 = 360
Your answer should be 360 kilometers