Set up the linear programming problem.Charlene baby-sits for $4 per hour. She also works as a tutor for $7 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 $50 per week? (a) Let x = hours spent baby-sitting and let y = hours spent tutoring. Write a system of inequalities for this situation. (b) Graph the solution set. 
What will be an ideal response?
(a)
(b) 
Mathematics
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A. (7, 8), (8, 7) B. (-7, 8), (-8, 7) C. (-7, -8), (8, 7) D. (7, -8), (8, -7)
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Use the compound interest formula to determine the future value of the given principal P.$1000 at 4% compounded semiannually for 11 years
A. $545.98 B. $1515.67 C. $1545.98 D. $1539.45
Mathematics
Without graphing the function, determine its amplitude or period as requested.y = 5 sin 2xFind the amplitude.
A. 
B. 5
C. 
D. 
Mathematics