Solve the problem.Find the missing length in the following right triangle. If necessary, round to the nearest tenth. 
A. 14 in.
B. 221 in.
C. 21 in.
D. 442 in.
Answer: C
Mathematics
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Find the margin of error for the survey results described. In a poll of 1143 college students, 17% said that they had cheated at least once on an exam.Give your answer as a percentage to one decimal place.
A. 1.5% B. 3.0% C. 0.1% D. 5.9%
Mathematics
Use Simpson's Rule with n = 4 steps to estimate the integral.
A. 68
B. 34
C. 
D. 17
Mathematics
Find an equation of variation in which the following are true.y varies jointly as x and z, and y = 90 when x = 9 and z = 5
A. y = 10x
B. y = 
C. y = 2xz
D. y = 4xz
Mathematics
Graph the function below and experiment with the viewing window to obtain a complete graph, adjusting the ranges where necessary. Does the figure below show the complete graph?
?
?
?
A. Yes B. No
Mathematics