There are 4 singers competing at a talent show. in how many different orders can the singers appear?

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.

The ratio of the measures of the three angles in a triangle is 2: 9: 4. find the measures of the angels

At your job you're paid $50 per week plus $3 per sale at least how many saled do you need to make in order to have over $250