What is the percent of increase or decrease to nearest percent? From 14 points to 40 points

A)24% decrease

B)100% increase

C)186% increase

D)40% decrease

Is the product of two rational numbers irrational or rational? first, make a hypothesis by multiplying two rational numbers. then, use variables such as x=a/b and y=c/d and the closure property of integers to prove your hypothesis.

Recall that the owner of a local health food store recently started a new ad campaign to attract more business and wants to know if average daily sales have increased. historically average daily sales were approximately $2,700. the upper bound of the 95% range of likely sample means for this one-sided test is approximately $2,843.44. if the owner took a random sample of forty-five days and found that daily average sales were now $2,984, what can she conclude at the 95% confidence level?

What is the missing reason in the proof? segment addition congruent segments theorem transitive property of equality subtraction property of equality?