Please help me with math thank, please explain

(least common multiples) the answer that i had in the 1st step was lcm of airline tickets sold=72. idk if that even matters but just in case. ! three co-workers are busy selling airline tickets over the phone. in an 8-hour day, charles can sell 8 airline tickets, ann can sell 9 airline tickets, and michelle can sell 6 airline tickets. step 2 of 2: what is the smallest number of 8-hour days needed for each of them to achieve the same number of sales? it takes charles . it takes . it takes .

Express the following as a function of a single angle. cos(60) cos(-20) - sin(60) sin(-20)

The acceleration of an object due to gravity is 32 feet per second squared.what is acceleration due to gravity in inches per second squared?