Convert the rectangular equation to a polar equation that expresses r in terms of ?.x = 4
A. r = 4
B. r = 
C. cos ? = 4
D. r = 
Answer: D
Mathematics
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Solve the problem.A constant force F = 28i + 34j moves an object from the point P = (9, 8) to the point Q = (4, 36), where units are in pounds and feet. Find the work done.
A. -20 ft-lb B. 812 ft-lb C. 20 ft-lb D. 530.4 ft-lb
Mathematics
Determine whether the equation is linear or nonlinear.
x + 6 = 0
A. linear B. nonlinear
Mathematics
Solve by using the square root property.4x2 = 44
A. x = 22
B. x = 12
C. x = ±11
D. x = ±
Mathematics
Simplify by first writing the radicals with the same index. Then multiply.
? 
A. 
B. 
C. 
D. 
Mathematics