Asweater was marked up from $40 to $50. if p is the percent increase in the price of the sweater, which proportion can be used to calculate p?

The surface area (sa) of a cube with a as the length of each of its sides is given by the formula . if the surface area is known, how can you rewrite the formula to find its side?

Solve each equation using the quadratic formula. find the exact solutions. 6n^2 + 4n - 11

Formulate alisha has a number in mind. if she adds three to her number the result is less than five. use this information to write and solve an inequality about alisha's number. then graph the solution set.