PLEASE PLEASE HELP, I NEED THIS IN LESS THAN 50 MINUTES AND THIS IS 40% OF MY YEAR GRADE

Which expression shows the sum of the polynomials with like terms grouped together

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)

Find the solution set for this equation: t^2+7t=0 separate the two values with a comma.