Find the volume of a rectangular box with length L, width W, and height H.L = 4.2 cm, W = 4.3 cm, H = 6.2 cm

A. 111.972 cm3 
B. 109.368 cm3
C. 165.292 cm3 
D. 77.658 cm3 


Answer: A

Mathematics

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Let A = {1, 3, 5, 7}, B = {5, 6, 7, 8}, C = {5, 8}, D = {2, 5, 8}, and U = {1, 2, 3, 4, 5, 6, 7, 8}. Decide if the set relationship is true or false.A ? {7, 5, 3, 1}

A. True B. False

Mathematics

Express the function as a trigonometric function of x.cos 4x

A. cos3x - 3 sin2x cos x B. 3 sin x - 4 sin3x C. cos4x - 6 sin2x cos2x + sin4x D. 4 sin x cos3x - 4 sin3x cos x

Mathematics

Simplify the complex rational expression.

A. x - 2
B.
C.  
D.

Mathematics

Solve the problem. Express the answer in scientific notation to two decimals unless requested otherwise.If the speed of light is 3.00 ×108m/sec, how long does it take light to travel 2.29 × 1011 m, the distance from the sun to Mars? Round to one decimal place.

A. 7.6 × 102 min B. 76 sec C. 7.6 × 103 sec D. 7.6 × 102 sec

Mathematics