Find area of figure. Round to the nearest hundredth if necessary.Find the area of a rectangle measuring 6
mi by 11
mi.
A. 66
mi2
B. 73
mi2
C. 18 mi2
D. 36 mi2
Answer: B
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Express the number in scientific notation.0.0000004
A. 4 × 10-6 B. 4 × 10-8 C. 4 × 10-7 D. 4 × 10-9
Solve the problem.
Find an expression for the volume of the shaded solid by subtracting the volume of the smaller cylinder from the volume of the larger cylinder. Write your answer in factored form. The diameter of the larger cylinder is 2R and the diameter of the smaller cylinder is 6. Both cylinders have a height of h. The formula for the volume of a cylinder is V = ?r2h.
A. ?h(R - 3)2 B. ?h(R + 6)(R - 6) C. ?h(R + 3)(R - 3) D. h(R + 3?)(R - 3?)
Express the product as a sum or difference.sin 7x cos 4x
A. sin (cos 28x2)
B. 
(sin 11x + sin 3x)
C. 
(sin 11x + cos 3x)
D. 
(cos 11x - cos 3x)
Solve the problem.The equation ?2 = tan-1(?C/G) gives the phase angle of impedance in the parallel portion of a distributed constant circuit. Find ?2 if 
, 
and 
A. 1.4° B. 80.2° C. 89.1° D. 88.6°