Perry surveyed 60 students at her school and found that 0.45 of the students she surveyed said their favorite class is math. another 35% of the students she surveyed reported that their favorite class is science. how many more students in the survey prefer math over science?

What is the solution to the system of equations? (–2, –8) (–1, –5) (0, –2) (2, 4)

Aquantity with an initial value of 3900 decays exponentially at a rate of 35% every hour. what is the value of the quantity after 0.5 days, to the nearest hundredth?

(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 .