Solve the problem.The owners of a candy store want to sell, for $6 per pound, a mixture of chocolate-covered raisins, which usually sells for $3 per pound, and chocolate-covered macadamia nuts, which usually sells for $8 per pound. They have a 
barrel of the raisins. How many pounds of the nuts should they mix with the barrel of raisins so that they hit their target value of $6 per pound for the mixture?
A. 80 lb
B. 75 lb
C. 65 lb
D. 70 lb
Answer: B
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Use polar coordinates to find the limit of the function as (x, y) approaches (0, 0).f(x, y) = 
A. 0 B. ? C. 1 D. No limit
Provide an appropriate response.A 3% discount is given if you pay cash at the gas pump. The pump showed a charge of $16.00 before the discount. How much is saved with the discount?
A. $4.80 B. $11.20 C. $15.52 D. $0.48
Identify and graph the conic section. Label the center and/or vertex as appropriate.
- 
= 1
A. hyperbola; center (0, 0);
(0, -
), (0, 
)
B. ellipse; center (0, 0)
(-
, 0), (
, 0), (0, -4), (0, 4)
C. hyperbola; center (0, 0);
(-4, 0), (4, 0)
D. hyperbola; center (0, 0);
(-
, 0), (
, 0)
Eliminate the parameter to obtain a Cartesian equation of the curve.x = 
, y = 2t + 5, 0 < t < ?
A. y = 2x2 + 5, 0 < x < ?
B. y = 2
- 5, 0 < x < ?
C. y = 2
+ 5, 0 < x < ?
D. y = 2x2 - 5, 0 < x < ?