Solve the problem.Suppose that the area of a rectangular room is 
square feet. If the length of the room is 4x, determine the width of the room in terms of x.
A. 4x + 36
B. x + 9
C. x + 36
D. 36x
Answer: B
Mathematics
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Solve the given differential equation.
= 6x
A. y = sin-1 (3x2 + C) B. y = 3 sin-1 (3x2 + C) C. y = 3 sin (3x2 + C) D. y = sin (3x2 + C)
Mathematics
Find the curve y = f(x) in the xy-plane that has the given properties.
= 24x and the graph of y passes through the point (0, 9) and has a horizontal tangent there.
A. y = 4x3 - 9 B. y = 4x3 + 9 C. y = 12x3 + 9 D. y = 12x2 + 9
Mathematics
Use a calculator to perform the indicated operation. Round the result to two decimal places.- 
A. 5.40 B. 0.19 C. -5.40 D. -0.19
Mathematics
Find the percent.What percent of 180 pizzas is 12 pizzas?
A. 6%
B. 
%
C. 
%
D. 
%
Mathematics