Sam is planning a party. Torres catering charges $4 per person plus a delivery fee of $24. Johnson catering has no delivery fee, but charges $4.60 a person. How many people must Kelly invite to the party to make the cost of both catering companies the same?

To complete your spring schedule, you must add calculus and physics. at 9: 30, there are three calculus sections and two physics sections; while at 11: 30, there are two calculus sections and three physics sections. how many ways can you complete your schedule if your only open periods are 9: 30 and 11: 30?

Consider the function f(x)=-5x+3 what is f(-2)

What is the interquartile range of this data set? 2, 5, 9, 11, 18, 30, 42, 48, 55, 73, 81