Solve the equation.
= x + 8
A. {6}
B. {5}
C. {-5}
D. {-6}
Answer: A
Mathematics
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Find the value of 4xy2 if x = 6 and y = 8.
a. 32 b. 128 c. 512 d. 1,536 e. 9,216
Mathematics
Solve the problem.If a plane can travel 350 miles per hour with the wind and only 250 miles per hour against the wind, find the speed of the wind and the speed of the plane in still air.
A. Plane: 300 mph, wind: 60 mph B. Plane: 50 mph, wind: 300 mph C. Plane: 400 mph, wind: 50 mph D. Plane: 300 mph, wind: 50 mph
Mathematics
The graph of 
is given in the figure. State whether 
or 
A. a < 0 B. a > 0
Mathematics
Solve the problem.The half-life of plutonium-234 is 9 hours. If 30 milligrams is present now, how much will be present in 3 days? (Round your answer to three decimal places.)
A. 23.811 B. 0.117 C. 2.976 D. 17.23
Mathematics