Neil and tom love to collect baseball cards. neil has 83 more baseball cards than tom. neil has 517 baseball cards. how many baseball cards does tom have?

The mean of a set of data is -3.82 and its standard deviation is 2.31. find the z score for a value of 3.99.

41/2 - 1 1/3 what is the answer as a fraction?

(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 .