Abicycle rider travels 50.0 km in 2 and a half hours. what is the cyclists average speed

Use set builder notation to represent the following set: { -3, -2, -1, 0}

What expression is equivalent to (2x-1)(x-3)?

(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 .