(4x-5y) is subtracted from (-10x-y)

Which of the following shows the length of the third side, in inches, of the triangle below

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)

Jeremy wants to determine the number of solutions for the equation below without actually solving the equation.