I don’t think you pick an answer you just put all of those formulas and solutions into your calculator and that will give you what you need to move onto the next question/ step
The factor of mn+5m-3n-15 is 6m-4n-15.
Answer:
1. (q² + 8) - (4q² + 1)
Simplify each term.
q²+8−4q²−1
Simplify by adding terms.
−3q²+7
2. (3x + 7x² - 6) - (5x² + x + 9)
Simplify each term.
3x+7x²−6−5x²−x−9
Simplify by adding terms.
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2x²+2x−15
Step-by-step explanation:
Answer:
7881.75
Step-by-step explanation:
10,170x0.775
Step-by-step explanation:
4m =16
divide both sides by 4
m = 4
he has 4 model trains