Solve the problem.Find the measure of an angle, if its supplement measures 70° more than twice its complement.
A. 80°
B. 140°
C. 20°
D. 70°
Answer: D
Mathematics
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Find the probability.A family has five children. The probability of having a girl is 1/2. What is the probability of having no more than 3 boys?
A. 0.9688 B. 0.3125 C. 0.8125 D. 0.5000
Mathematics
Evaluate the integral.
A. 
tan3 x + C
B. 2(sec x + tan x)5+ C
C. - 
tan3 x + C
D. 2 tan x + 
tan3 x + C
Mathematics
Solve. If needed, round money amounts to two decimal places and all other amounts to one decimal place.The number of video stores in a region recently decreased from 141 to 92. Find the percent of decrease.
A. 65.2% B. 187.8% C. 34.8% D. 53.3%
Mathematics
Solve the inequality. Write the solution set in interval notation and graph it.
(15x + 33) + 
(18x - 36) > 69
A. 
B. [8, ?)
C. 
D. (-?, 8]
Mathematics