(i have two questions in 1 cause i only have 800points)(the homework is estimating with 2-digit divisors)
marcy has 567 earmuffs in stock. if she can put 18 earmuffs on each shelf, about how many shelves does she need for all the earmuffs?
(question 2)howard pays $327 for one dozen collector's edition baseball cards. about how much does he pay for each baseball card?

The median of a data set is the measure of center that is found by adding the data values and dividing the total by the number of data values that is the value that occurs with the greatest frequency that is the value midway between the maximum and minimum values in the original data set that is the middle value when the original data values are arranged in order of increasing (or decreasing) magnitude

Use circumcenter theorem to solve for the given values

What is the length of the midsegment of a trapezoid with bases of length 15 and 25 ?