Solve the problem.The blade of a windshield wiper sweeps out an angle of 135° in one cycle. The base of the blade is 12 inches from the pivot point and the tip is 32 inches from the pivot point. What area does the wiper cover in one cycle? (Round to the nearest 0.1 square inch.)
A. 1041.8 in2
B. 1036.7 in2
C. 1105.3 in2
D. 948.3 in2
Answer: B
Mathematics
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Solve the problem.Find the equations of the tangent and normal lines to the parabola with vertex at (0, 0) and focus at (0, 2), at the point where 
A. Tangent: 8y + 2x + 1 = 0 Normal: 32y + 8x - 33 = 0 B. Tangent: 8y - 2x + 1 = 0 Normal: 8y + 32x - 33 = 0 C. Tangent: 2y - 8x + 1 = 0 Normal: 8y + 32x - 33 = 0 D. Tangent: 8y +2x + 1 = 0 Normal: 8y - 32x - 33 = 0
Mathematics
Multiply.0.48(0.8)
A. 0.0384 B. 0.384 C. 0.00384 D. 3.84
Mathematics
Solve.xy - y2 = -2416xy - 10y2 = 0
A. 
, 
B. 
, 
C. 
, 
D. 
, 
Mathematics
Compute the product.
A. 
B. 
C. 
D. not defined
Mathematics