Triangle ABC is a right triangle with sides of lengths a, b, and c and a right angle at C. Find the indicated trigonometric function value of A. Rationalize denominators containing radicals.a = 7, b = 2; find sec A.
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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Solve the problem.Find the length of the curve y = ln(csc x), ?/3 ? x ? ?/2
A. 1 - ln(
)
B. ln(
)
C. ln(2
)
D. ln(
+ 1)
Mathematics
Identify the equation as either linear or nonlinear by trying to write it in the form 
5x2- 2.3x = x2 - 2
A. Nonlinear B. Linear
Mathematics
The pair of figures is similar. Find the missing side n. Round to the nearest tenth when necessary.
A. n = 0.8 yd B. n = 10.7 yd C. n = 6 yd D. n = 1.5 yd
Mathematics
Solve the problem.During July in Jacksonville, Florida, it is not uncommon to have afternoon thunderstorms. On average, 10.1 days have afternoon thunderstorms. What is the probability that a randomly selected day in July will not have a thunderstorm? Round to two decimal places, if necessary.
A. 0.67 B. 0.9 C. 0.33 D. 0.66
Mathematics