line segment de is a midsegment of triangle ABC. If AD=14 cm, BD=6.5 cm , and DE=4.8cm. What's the length of AD, What's the length of AC, whats the length of BC

Abag contains 4 red, 7 blue and 5 yellow marbles. event a is defined as drawing a yellow marble on the first draw and event b is defined as drawing a blue marble on the second draw. if two marbles are drawn from the bag, one after the other and not replaced, what is p(b|a) expressed in simplest form? a. 7/16 b. 7/15 c. 14/16 d. 14/15

If cos(2x) = tan^2(y), show that cos(2y) = tan^2(x).

Using only odd number for numerators write two different subtraction problems that have a difference of 3/4