Solve by the most appropriate method.2x2 - 7x - 9 = 0

A. -1, 
B. 0, 
C. , 1
D. -1, 


Answer: D

Mathematics

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Solve the problem.Charlene baby-sits for $10 per hour. She also works as a tutor for $12 per hour. Because of school, her parents only allow her to work 13 hours per week. How many hours can Charlene tutor and baby-sit and still make at least $75 per week? (a) Write a system of inequalities for this situation.(b) Graph the solution set. 

What will be an ideal response?

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Evaluate the integral.dx

A. 2
B.
C. 0
D.

Mathematics

Divide and simplify. รท 

A.
B.
C.
D.

Mathematics

Use a vertical format to subtract the polynomials.  3y4 - 9y3 + 7y2

A. 3y4 - 10y3 + 10y2 + y - 11 B. 3y4 - 8y3 + 10y2 - y + 11 C. 3y4 - 8y3 + 4y2 + y - 11 D. 3y4 - 10y3 + 4y2 - y + 11

Mathematics