Let's name the number 'n'. Now write an equation. 7*n +n^2 =12Now you can form a quadratic. n^2 +7n-12=0. Now you can use a myriad of methods to solve it. If you still need help, just message me.
X=10
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Yes it is the answer that is last on the list because it is that answer
9a-ab+5b
9(2)-(2)(7)+5(7)
18-14+35
39
Answer: her increase is 1.245 dollars an hour
Step-by-step explanation:
