A ceiling fan is is pictured. The tip of one of the fan blades is labeled point A. Point A is 28 inches away from the center of the fan. What is the circumference for point A on the fan to travel one full revolution? C=2piR

Acylinder has volume 45π and radius 3. what is it’s height?

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?

What is r i 4.5+10r=-6.5 with work pls