Determine the equivalent system for the given system of equations.
4x - 5y = 2
3X - y = 8

21 type the correct answer in the box. use numerals instead of words. if necessary, use / for the fraction bar. the solution set of n2 - 14n = -45 is { (separate the solutions with a comma)

Solve each quadratic equation by factoring and using the zero product property. 10x + 6 = -2x^2 -2

In a right triangle δabc, the length of leg ac = 5 ft and the hypotenuse ab = 13 ft. find: b the length of the angle bisector of angle ∠a.