Simplify
cos^*-1 (sqrt(3)/2)

a. 60°
b. 30°
c. 240°

What are the critical values that correspond to a 95% confidence level and a sample size of 93? a. 65.647, 118.136 b. 59.196, 128.299 c. 57.143, 106.629 d. 69.196, 113.145

Atown has a population of 17000 and grows at 2.5% every year. to the nearest year, how long will it be until the population will reach 19600?

What is the answer to question 11? will give extra points! include a explanation (reasonable) for you : )