Simplify the expression. Use positive exponents. Assume variables represent nonzero real numbers.
A. 
B. 
C. y12
D. 
Answer: A
Mathematics
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Perform the indicated operations.(30,000,000)(0.0005)
A. 1.5 × 104 B. 1.5 × 102 C. 1.5 × 103 D. 0.0
Mathematics
For the given pair of points, find the equation of the line 
that goes through the points by solving a system of equations.(-2, -3) and (6, 5)
A. y = x - 3 B. y = x - 1 C. y = -2x - 1 D. y = x - 5
Mathematics
Solve the problem.The manufacturer of a CD player has found that the revenue R (in dollars) is
when the unit price is p dollars. If the manufacturer sets the price p to maximize revenue, what is the maximum revenue to the nearest whole dollar?
A. $174,240 B. $696,960 C. $348,480 D. $87,120
Mathematics
Solve the equation and check the solution.28 = 7x
A. x = 
B. x = 196
C. x = 21
D. x = 4
Mathematics