Solve the problem.Jared borrowed $215 from his friend Linda. He paid her back $41, but then had to borrow another $81. How much does he still owe her?
A. $93
B. $255
C. $175
D. $337
Answer: B
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Find the square root.
A. 12 B. not a real number C. 5 D. 6
Integrate the function f over the given region.f(x, y) = y2 ex4 over the triangular region in the first quadrant bounded by the lines 
and 
A. 
e
B. 27(e + 1)
C. 9(e - 1)
D. 
(e - 1)
Solve the problem.The profit function for a product is given by P(x) = -0.7x3 + 115.5x2 - 3710x - 84,000 dollars, where x is the number of units produced and sold. Determine the levels of production and sale that give break-even.
A. 80 or 100 units B. 120 units C. 100 units D. 90 or 120 units
Add or subtract as indicated. Express the answer as a single polynomial in standard form.(7x7 + 19x6 - 6) - (6x6 + 2x7 + 4)
A. 8x13 B. 5x7 + 13x6 - 10 C. 5x7 + 21x6 - 2 D. 5x7 + 13x6 - 2