The bases of trapezoid abcd are ab and cd. let p be the intersection of diagonals ac and bd. if the areas of triangles abp and cdp are 8 and 18, respectively, then find the area of trapezoid abcd.

Find the zeros of each function. f(x) = 6x^2 - 7x - 20

Find the percent error of the measurement 4 cm

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)