Change the logarithmic expression to an equivalent expression involving an exponent.log3
= -3
A. 3-3 = 
B. 327 = 3
C. 33 = 
D. 
3 = 3
Answer: A
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Assume the region is part of a vertical side of a tank with water (? = 62.4 pounds per cubic foot) at the level shown. Find the total force exerted by the water against this region.
A. 95,846.4 lb B. 63,897.6 lb C. 47,923.2 lb D. 7987.2 lb
Translate the problem situation to a system of equations. Do not attempt to solve.The perimeter of a rectangular building is 246 feet. The width is 57 feet shorter than the length. What are the dimensions? (Let W represent the width and L represent the length.)
A. W = L + 57, 2L + 2W = 246 B. L = W - 57, 2L + W = 246 C. W = L - 57, 2L + 2W = 246 D. W = L - 57, L + W = 246
Arrange in descending powers of x.-2x3y + 4xy3 + 5x2y2 - 6x4
A. 4xy3 + 5x2y2 - 2x3y - 6x4 B. -6x4 + 4xy3 + 5x2y2 - 2x3y C. -6x4 - 2x3y + 5x2y2 + 4xy3 D. -2x3y + 5x2y2 + 4xy3 - 6x4
Find the exact value of the expression.tan 285°
A. -2 - 
B. 
C. 2 + 
D. 