Olivia ate at the same restaurant three times. Each visit, she ordered a sandwich and left a $2.25 tip. She spent a total of $39. What is an equation
that represents this situation, if e represents the cost of a salad?

Asales representative from a local radio station is trying to convince the owner of a small fitness club to advertise on her station. the representative says that if the owner begins advertising on the station today, the club's total number of members will grow exponentially each month. she uses the given expression to model the number of club members, in hundreds, after advertising for t months.

Need so much on this one how many yards?

The perimeter of a quarter circle is 14.28 miles. what is the quarter circle's radius?