There are 15 seats on a bus . 6 persons took the bus. In how many different ways can
these 6 persons sit ?

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 x-1 and x+3 are the factors of x3+10x2+ax+b find a and b

Solve for b. ab + c= d b= a + old ob=allc-ch b= (d-c/a