F=x-48 over 4x. I hope that is right :)
Step-by-step explanation:
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Answer:
8x^2+5y+1
Step-by-step explanation:
1+x^2-3+2y+7x^2+3+3y
Combine like terms
x^2+7x^2+2y+3y+3+1-3
8x^2+5y+1
You could round 77 to 80 and 65 to 70 and then add 70 and 80 and you will get 150
On question 9, x = 0.46284330