A store buys shoes for $40, then sells them to customers for $160. What is the percent mark-up for the price of the shoes?

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.

Maren is buying carpet for her rectangular living room. the room is 4.8 yards wide and 5.2 yards long. how much carpet does she need to buy? enter your answer as a decimal in the box. yd2

Add. express your answer in simplest form. 12 9/10+2 2/3 = i need u guys to me find the answer to this question