Ying was planning how to seat guests at a dinner. there were between 50 and 100 people coming. ying noticed that they could be seated with 8 people to a table and no seats left empty. she also noticed that they could be seated with 12 people to a table with no seats left empty. how many people were coming?

Suppose that the price p (in dollars) and the weekly sales x (in thousands of units) of a certain commodity satisfy the demand equation 4p cubedplusx squaredequals38 comma 400. determine the rate at which sales are changing at a time when xequals80, pequals20, and the price is falling at the rate of $.20 per week.

9/10 divide by -3/15 as a mixed number

Aubrey read 29 books and eli read 52 books what number is equal to the number of books aubrey read?