I think of a number, double it and subtract 1 and then square the answer. The result is 64. What could the number be?

Suppose your school costs for this term were $4900 and financial aid covered 3/4 of that amount. how much did financial aid cover? and how much do you still have to pay?

What are the solutions of the system? solve by graphing. y = x^2 + 3x + 2 y = 2x + 2

Aplot of land has been surveyed for a new housing development with borders ab, bc, dc, and da. the plot of land is a right trapezoid with a height of 60 feet and an opposite leg length of 65 feet