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9. Use substitution, 20 + 0.07(100) --) 20 + 7 --) $27; the answers D.

10. A is the answer for it the total number treats is divided by 10 and suppose to be equal to 60 bags.

11. 33.07 + 5.89 + 5(2.71) + 6.75 = amount you had in the beginning.

12. 4^2(5g + g) + 17 --) 16(5g + g) + 17 --) 80g + 16g + 17 --) 96g + 17; answer is c.

13.3^2(5x + 2x) - 24 --) 9(5x + 2x) - 24 --) 45x + 18x - 24 --) 63x - 24; answer is c.

14. 2x + 6x = 56 --) 8x = 56 --) x = 7; answer is c.

15. 20 + (1.5h - 1.5) = 32; the answer is a.

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step-by-step explanation:

this is not a question

the simplified form is

step-by-step explanation:

we want to simplify the expression,

let us change the middle bar to a normal division sign to obtain,

we multiply the first fraction by the reciprocal of the second fraction to obtain,

we factor to obtain,

we cancel the common factors to get,

we simplify to get,

the correct answer is b