Solve this, x=1/(2-√3) y=1/(2+√3) x^4+y^4=?

The price of a coat increased from $78 to $92. what is the price increase percentage?

For the following geometric sequence, find the recursive formula. {-80, 20, -5, } i need : ')

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