Evaluate cos^-1 1/2. enter your answer in radians​

Hannah works at the mall selling book bags. she sold 35 book bags in 5 hours. how many book bags did she sell per hour?

At the beginning of the day, stock xyz opened at $6.12. at the end of the day, it closed at $6.88. what is the rate of change of stock xyz? a. 1.17% b. 11.0% c. 12.4% d. 81.5%

How many bananas are in a fruit bowl that has 200 total apples and bananas if there are 31 bananas for every 93 apples