Use a calculator to give the value in degrees.cos-1(0.8910)
A. 27°
B. 63°
C. 29°
D. 25°
Answer: A
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Evaluate the definite integral.
A. 
B. 
C. 212
D. 
Write the sum in summation notation.2 + 
+ 
+ 
+ . . . + 
A. 
B. 
C. 
D. 
Solve the problem.The percent p of high school students who participate in sports at a public high school can be modeled by 10p - 24x = 196,where x is the number of years after 2010. Interpret the p intercept of the graph of this function.
A. In 2010, 19.6% of the high school students at this school participated in sports. B. In 2010, 28.8% of the high school students at this school participated in sports. C. The percent of high school students who participate in sports at this school is increasing 19.6 percent per year. D. The percent of high school students who participate in sports at this school is increasing 2.4 percent per year.
Find the product.(3n + 8)(6n5)
A. 18n6 + 48n5 B. 66n5 C. 18n + 48 D. 18n6 + 8