Simplify. Assume that all variables represent positive numbers.
A. y
B. y2
C. 
D. y4
Answer: B
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Subtract.80.2688 - 33.7144
A. 47.5544 B. 46.5544 C. 46.5444 D. 46.4544
Solve the problem.Momma's Ice Cream Shop sells three types of ice cream (soft-serve, chunky, and nonfat) at its three locations. The table below shows the number of gallons of each type sold per day at each location. 
The income per gallon for soft-serve, chunky, and nonfat ice cream is $4, $6, and $8, respectively. Create two matrices to represent these data, and use matrix multiplication to find a matrix that gives the daily income at each location.
A. 
B. 
C. 
D. 
Solve the equation.-
= -2
A. 16 B. 4 C. -4 D. 30
Solve the problem.Suppose the demand for a certain item is given by 
where p represents the price of the item. Find D'(7).
A. -42 B. -40 C. -52 D. -54