Anyone who knows Calculus please do this for me and you MUST show your work. 50 Points and brainiest for anyone who does it right. QUICK PLEASE THIS IS DUE SOON

The production line where you work can assemble 5 appliers every 30 minutes at this rate how long should it take the line to assemble 125 amplifiers

Suppose i flip two identical coins. what is the probability that i get one head and one tail?

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