Instructions: Find the measure of the indicated angle to the nearest degree
21
?
40
?=

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 the point slope form of a line with slope -5 that contains point (2,-1)

Which of the following is closest to 32.9 x 7.5? a: 232 b: 259 c: 220 d: 265