Use the elimination method to solve the system of linear equations. x + 4y = 28x + 5y = 16
A. (3, 2)
B. (2, 0)
C. No solution
D. (-2, -1)
Answer: B
Mathematics
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Solve.In the last election Mr. London received 0.79% of the vote. Write this percent as a decimal.
A. 0.079 B. 0.0079 C. 0.79 D. 7.9
Mathematics
Simplify. Be sure to rationalize all denominators. Assume that all variables represent positive real numbers.
A. 
B. 
C. 2x3
D. 
Mathematics
Solve the problem.A long strip of sheet metal 12 inches wide is to be made into a small trough by turning up two sides at right angles to the base. If the trough is to have maximum capacity, how many inches should be turned up on each side?
A. 4 in. B. 3 in. C. 4 in. on one side, 5 in. on the other D. 6 in.
Mathematics
Evaluate the integral.
d?
A. 
+ C
B. 4 ln (1 + e4?) + C
C. ln (1 + e4?) + C
D. 
+ C
Mathematics