13)

  which expression is equivalent?

−3(6x + 7) + 4(7x + 2)

a)10x + 13b)10x − 13c)−10x + 13d)−10x − 13

Sum of the interior angles of a pentagon

Given a binomial distribution variable with n=20 and p=0.60 find the following possibilities using the binomial table a) p(x < 13) b) p x > 15) c) p(x = 17) d) p(11 < x < 14) e) p(11 < x < 14)

What is number 31 as a sum of tens and ones?