What is the least common denominator for fractions that have denominators of 5x+10 and 25x^2-100

The total number of dental clinics total for the last 12 months was recorded

Select the two pairs of figures that are similar.

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)