So that the function given by f x is equal to logcos x is strictly decreasing on 0 and 3.14​

Which shows the pre image of triangle xyz

Acredit card advertises an annual interest rate of 23%. what is the equivalent monthly interest rate?

Okay so i didn't get this problem petro bought 8 tickets to a basketball game he paid a total of $200 write an equation to determine whether each ticket cost $26 or $28 so i didn't get this question so yeahyou have a good day.