The flying time of a drone airplane has a normal distribution with mean 4.76 hours and standard deviation of .04 hours. what is the probability that the drone will fly less than 4.66 hours?

Find the sum of the measure of the interior angles of a polygon of 9 sides ; of 32 sides

Acylinder and its dimensions are shown. which equation can be used to find v, the volume of the cylinder in cubic centimeters?

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?