Ax and ex are secant segments that intersect at point x. what is the length of de? 1 unit 3 units 4 units 4 units

Use mathematical induction to prove the statement is true for all positive integers n, or show why it is false. 1^2 + 4^2 + 7^2 + + (3n - 2)^2 = [n(6n^2-3n-1)/2]

Lm is the midsegment of trapezoid abcd. if ab=46 and dc=125, what is lm?

The length of time for one individual to be erved at a cafeteria is a random variable having an ex- ponential distribution with a mean of 4 minutes. what is the probability that a person will be served in less than/3 minutes on at least 4 of the next 6 days?