20 points for the samples taken from two populations, the difference between the sample means does not fall within the 95% confidence interval. if the null hypothesis is, “there is no difference in the sample means,” which statement is true? a. the null hypothesis must be accepted. b. the null hypothesis must be rejected. c. both the null and the alternative hypotheses must be rejected. d. both the null and the alternative hypotheses must be accepted.

If the ratio of sum of the first m and n terms of an ap is m2 : n2 , show that the ratio of its mth and nth terms is (2m − 1) : (2n − 1).

Question 3 (essay worth 10 points) (03.06 mc) part a: max rented a motorbike at $465 for 5 days. if he rents the same motorbike for a week, he has to pay a total rent of $625. write an equation in the standard form to represent the total rent (y) that max has to pay for renting the motorbike for x days. (4 points) part b: write the equation obtained in part a using function notation. (2 points) part c: describe the steps to graph the equation obtained above on the coordinate axes. mention the labels on the axes and the intervals. (4 points)

Look at triangle wxy what is the length (in centimeters) of the side wy of the triangle?