Asurvey of high school juniors found that 82% of students plan on attending college. if you pick three students at random, what is the probability that at least two plan on attending college?
i know the equation is:
ncx(p)^x(q)^n-x
but i cant remember what variable means what..

What is the expression in factored form? -20x^2 - 12x a. 4x(5x+3) b. -4x(5x-3) c. -4(5x+3) d. -4x(5x+3)

Select the correct answer from each drop-down menu. a system of equations and its solution are given below. system a complete the sentences to explain what steps were followed to obtain the system of equations below. system b to get system b, the equation in system a was replaced by the sum of that equation and times the equation. the solution to system b the same as the solution to system a.]

Reinel saves 30% of every pay check. his paycheck last week was 560$. how much did reniel save last week?