You throw darts at a dartboard. let event a=the first dart hits the center. let event b = the second dart hits the center. what does p(b|a) represent? does anyone get this?

1- what do you think the product of a nonzero rational number and an irrational number is? is it rational or irrational? make use of variables, the closure property of integers, and possibly a proof by contradiction to prove your hypothesis.2- why do we have to specify that the rational number must be nonzero when we determine what the product of a nonzero rational number and an irrational number is? if the rational number were 0, would it give us the same result we found in the first question?

Acyclist bike x distance at 10 miles per hour .and returns over the same path at 8 miles per hour.what is the cyclist average rate for the round trip in miles per hour ?

Flvs question 3 exam: 04.10 segment one exam part two what is the measure of angle x? picture is shown