Find a number such that if 3 times the number is decreased by 15 the result is twice the opposite of the number,

In a school 2/3 of the students study a language of those who study a language 2/5 study french

Agreeting card company can produce a box of cards for $7.50. if the initial investment by the company was $50,000, how many boxes of cards must be produced before the average cost per box falls to $10.50?

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.