Express each quantity as a positive or negative number.9° below zero
A. -9°
B. +9°
Answer: A
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Solve the problem.Jimmy is a partner in an Internet-based coffee supplier.The company offers gourmet coffee beans for $11 per pound and regular coffee beans for $3 per pound. Jimmy is creating a 
product that will sell for $5 per pound.The first thing to go into the mixing bin was 14 pounds of the gourmet beans. How many pounds of the less expensive regular beans should be added?
A. 43 lb B. 41 lb C. 42 lb D. 44 lb
Evaluate the integral by first transforming it into integrable form with an appropriate algebraic substitution.
dx
A. - 
(6 - x)5/2 + 4(6 - x)3/2 + C
B. 2(6 - x)5/2 - 12(6 - x)3/2 + C
C. 
(6 - x)2 - 4(6 - x) + C
D. 
(6 - x)5/2 - 4(6 - x)3/2 + C
Divide.
A. x2 + 6x + 4
B. x2 + 6x + 
C. x2 + 6
D. x2 + 6 + 
Write the phrase as a mathematical expression. Use x to represent the number. Combine like terms if possible.A number multiplied by -4, subtracted from the sum of 19 and eight times the number.
A. 4x - 27 B. 4x - (19 + 8x); -4x - 19 C. (19 + 8x) - (-4)x; 19 + 12x D. (19 + 8x) + (-4)x; 19 + 4x