Multiply and simplify.
? 
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Solve the system by inspecting the graph of the equations.20x - 4y = -8y = 5x + 2
A. ?
B. 
C. 
D. 
Mathematics
Solve the given differential equation.
= 12
A. y = 4x3 + x3/2 + C B. y = (4x3/2 + C)2 C. y = 4x3/2 + C D. y = 16x3 + C
Mathematics
Solve the problem.A contractor needs to know the height of a building to estimate the cost of a job. From a point 
away from the base of the building, the angle of elevation to the top of the building is found to be 
Find the height of the building. Round your answer to the hundredths place when necessary.
A. 80.32 ft B. 84.75 ft C. 81.85 ft D. 86.08 ft
Mathematics
Find the slope of the line containing the given points.
Mathematics