Simplify.Rationalize the numerator. 
A. 
B. 
C. 
D. 
Answer: A
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Solve the problem.Find a curve through the point (-4, 1) whose length integral, 1 ? y ? 2, is L = 
A. x = -4
B. x = 
C. x = -4y5/2
D. x = 
Solve the right triangle. If two sides are given, give angles in degrees and minutes.
a = 103.21 ft, c = 292 ftRound the missing side length to two decimal places.
A. A = 21° 42', B = 68° 18', b = 273.15 ft B. A = 20° 42'; B = 69° 18'; b = 273.15 ft C. A = 18° 42', B = 71° 18', b = 286.81 ft D. A = 20° 42', B = 69° 18', b =254.03 ft
Find the radian measure of a central angle ? in a circle of radius r, assuming that ? intercepts an arc of length s. Round your answer to three decimal places when necessary.r = 14.1 in., s = 22 in.
A. 0.641 B. 310.2 C. 1.56 D. 4.902
Simplify the expression without a calculator.
-3
A. 125
B. -125
C. 
D. 