How many gallons of washer fluid that is 13.5% antifreeze must a manufacturer add to 500 gallons of washer fluid that is 11% antifreeze to yield washer fluid that is 13% antifreeze?
?
A. 1,000
B. 1,740
C. 1,730
D. 2,000
E. 1,790
Answer: D
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Write an algebraic equation and use it to solve the problem.The length of a rectangular room is 8 feet longer than twice the width. If the room's perimeter is 196 feet, what are the room's dimensions?
A. Width = 35 ft; length = 78 ft B. Width = 60 ft; length = 136 ft C. Width = 45 ft; length = 53 ft D. Width = 30 ft; length = 68 ft
Determine the given complex number raised to a power and write the answer in rectangular form.(-3 + 3i
)3
A. 27
B. 27 + 9i
C. -3 + 3i
D. 216
Express the exercise as a system of linear equations, then find the solution. Use a calculator where appropriate.The manager of a bulk foods establishment sells a trail mix for $6 per pound and premium cashews for $12 per pound. The manager wishes to make a 240-pound 
mixture that will sell for $7 per pound. How many pounds of each should be used?
A. 40 lb of trail mix 200 lb of cashews B. 200 lb of trail mix 40 lb of cashews C. 140 lb of trail mix 100 lb of cashews D. 120 lb of trail mix 120 lb of cashews
Graph the linear equation using the slope and y-intercept.y = - 
x + 2
A. 
B. 
C. 
D. 