Perform the indicated operations.(-5)(5)(-4)(-5)
A. 100
B. -500
C. -9
D. 500
Answer: B
Mathematics
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Provide an appropriate response.Solve the following: One tank holds 50 more gallons than another. If the tanks together hold 1,970 gallons, how much does each tank hold?
Fill in the blank(s) with the appropriate word(s).
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Solve the problem.A rectangle with sides parallel to the axes is inscribed in the region bounded by the axes and the line 
Find the maximum area of this rectangle.
A. 
B. 
C. 
D. 
Mathematics
Using a calculator, evaluate to four decimal places.log 20.93
A. 1.3208 B. 3.0412 C. 3.5412 D. 0.8208
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Graph the polar equation.r = -2 cos ?
A. 
B. 
C. 
D. 
Mathematics