Solve the problem.Find sin 
, given that cos ? = 
and ? terminates in 0 < ? < 90°.
A. 
B. 
C. 
D. 
Answer: C
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Provide an appropriate response.Does every straight line have an x-intercept? If not, give an example of an equation whose graph does not have an x-intercept.
What will be an ideal response?
Solve.An auditorium has 20 rows with 10 seats in the first row, 12 in the second row, 14 in the third row, and so forth. How many seats are in the auditorium?
A. 580 B. 400 C. 390 D. 620
Solve the problem.The foundation for a cylindrical fountain is a cylinder 12 m in diameter and 5 m high. How many cubic m of concrete are needed to build the foundation? Use 3.14 for ?. Round the answer to the nearest tenth if necessary.
A. 1130.4 m3 B. 565.2 m3 C. 376.8 m3 D. 2260.8 m3
Evaluate. If necessary, find common denominators and simplify completely.7
+ 3
A. 11
B. 10
C. 10
D. 10