Simplfy the complex fraction 2 3/4 over 1 1/8

Askate shop rents roller skates as shown on the table below. which graph and function models this situation?

Fifty students are trying to raise at least 12,500 for a class trip. they have already raised 1,250. how much should each student raise on average in order to meet the goal? write and solve the two step inequality for this problem

Which expression is equivalent to 3 exponet of 3 + 2 exponent of 2?