Solve the problem.Sirloin costs $5 per pound and ribeye steak sells for $4 per pound. Graph the region in the xy-plane that represents all possible combinations of sirloin (x) and ribeye (y) that cost less than $20.
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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Solve the problem.Find the area between y = (x - 2)ex and the x-axis from x = 2 to x = 5.
A. 2e5 + e2 B. 2e5 C. e5 + e2 D. e5 - e2
Mathematics
Find the intervals on which the function is continuous.y = 
A. discontinuous only when ? = -9
B. discontinuous only when ? = 
C. discontinuous only when ? = 9
D. continuous everywhere
Mathematics
Factor by grouping.15x2 + 18x - 20x - 24
A. (3x + 4)(5x - 6) B. (15x - 4)(x + 6) C. (15x + 4)(x - 6) D. (3x - 4)(5x + 6)
Mathematics
Find the whole.40% of what number of drives is 66 drives?
A. 1650 B. 26.4 C. 16.5 D. 165
Mathematics