If a student earns 45 out of 80 possible points on a percentages quiz, what percent of points did that student earn? Round your answer to the nearest tenth of a percent

Its due ! write an equation in which the quadratic expression 2x^2-2x 12 equals 0. show the expression in factored form and explain what your solutions mean for the equation. show your work.

If the altitude is drawn to the hypotenuse of a right triangle, then the two triangles formed are similar to the original triangle and to each other. which set of triangles shows the similar triangles created by the altitude in the diagram?

Find the maximum value of p= 4x + 5y subject to the following constraints :