Answer:


Step-by-step explanation:
1) y + 4 + 3(y + 2)
Expand:-

Combine like terms:-


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2) 0.5(x⁴ - 3) + 12
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Add/Subtract Numbers:-

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Answer:
He pays $8.70
Step-by-step explanation:
You would do $67.86 divided by 7.8 lbs
Answer:
The percent of the increase for the money the class raised is 10 %
Step-by-step explanation:
Because if you divide 1500 by 10 you get 150 that means 150 is 10 % of 1500 and if you add 150 to 1500 you get 1650 so the increase of money the class raised is 10 %
I hope this helped :)
Answer:
The first statement: "Her first mistake was in Step 2. She added 0.2 to each term instead of multiplying by 0.2."