Solve.A house recently sold for $142,390. The commission rate on the sale is 5.5%. If a real estate agent is to receive 60% of the commission, find the amount received by the agent.
A. $46,988.70
B. $4,698.87
C. $46.99
D. $469.89
Answer: B
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Integrate the function f over the given region.f(x, y) = 
over the region bounded by the x-axis, line 
and curve 
A. 3 B. 2 C. 1 D. 4
Solve the problem.Three solutions of the equation Ax + By + Cz = -32 are given. Use a system of three equations in three variables to find the constants and write the equation.(-4, 2, -6), (4, -2, -6.8), (3, -4, -5.2)
A. A = 2; B = 3; C = 5; 2x + 5y + 3z = -32 B. A = 2; B = 3; C = 5; 2x + 3y + 5z = -32 C. A = 2; B = -3; C = -5; 2x - 3y - 5z = -32 D. A = 2; B = 3; C = 5; 2x + 5y - 3z = -32
Solve the problem.A Ferris wheel has a diameter of 380 feet and the bottom of the Ferris wheel is 8 feet above the ground. Find the equation of the wheel if the origin is placed on the ground directly below the center of the wheel, as illustrated. 
A. x2 + y2 = 36,100 B. x2 + (y - 190)2 = 36,100 C. x2 + (y - 190)2 = 144,400 D. x2 + (y - 198)2 = 36,100
Perform the indicated operation. Assume that all variables are nonnegative.(5
)2
A. 5y2
B. 25
C. 25y
D. 25y2