Solve the problem.What angle is twice its supplement?
A. 60°
B. 180°
C. 120°
D. 90°
Answer: C
Mathematics
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Solve the problem.The rectangular court shown in the figure requires 324 feet of fence. Once side of the court is against a building and needs no fence. What dimensions give the largest area?
A. 162 ft by 162 ft B. 40.5 ft by 81 ft C. 81 ft by 162 ft D. 81 ft by 81 ft
Mathematics
Solve the system of equations by the substitution method.y = 
x - 2y = 
x + 12
A. {(-60, -12)}
B. {(12, 0)}
C. 
D. {(-60, 12)}
Mathematics
Evaluate the expression according to the replacement value given.x ÷ y; replace x with 400 and y with 8.
A. 53 B. 50 C. 48 D. 52
Mathematics
Use the product rule to simplify the expression. Assume that the variables can be any real number.
A. 2k5 B. 2k18 C. -2k5 D. 8k5
Mathematics