A company's stock price fluctuated over a period of four days. The table shows the change in stock price per day. Day Change
1 increased by $3.50
2 decreased by $3.70
3 increased by $3.30
4 decreased by $3.40
The net change in the company’s stock price over the four days is $
.

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?

A50% increase followed by 33 1/2% decrease

Aplane intersects a pris paralel to the base of the prism. the cross section is a polygon wth eight sides. how many sides does the base of the prism have? a. 10 b. 8 c. 7 d. 9