Solve the equation.3r2 - 26r - 9 = 0
A. 
B. 
C. {-3, 9}
D. 
Answer: D
Mathematics
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Solve the problem.Trader Tower stands at 1645 feet high. Exchange Emporium is 812 feet tall. How much taller is Trader Tower than Exchange Emporium?
A. 833 feet B. -833 feet C. 2457 feet D. -2457 feet
Mathematics
Perform the indicated operation.
÷ 
A. 
B. 
C. 
D. 
Mathematics
Find an equation for the ellipse described.Foci at (±4, 0); x-intercepts are ±5
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
Mathematics
Convert. When necessary, round the answer to two decimal places.40 quarts = gallons
A. 80 B. 10 C. 160 D. 20
Mathematics