Weston completed a hypothesis test and found that he could not reject the null hypothesis. which of the following is a valid reason for his conclusion?

a. the z-statistic is less than 0.

b. the z-statistic lies in the critical region.

c. the z-statistic is greater than 0.

d. the z-statistic lies outside the critical region.

Eight people were asked what the balance of their savings account at the beginning of the month was and how much it increased or decreased by the end of the month. create a scatter plot that represents the data that is shown in the table. the x-axis represents the beginning balance in thousands of dollars and the y-axis represents the change in the savings account in hundreds of dollars. name beginning balance (in thousands of dollars) change in savings account (in hundreds of dollars) jimmy 5 3 kendra 4 7 carlos 5 4 yolanda 3 1 shawn 2 5 laura 3 2 andy 5 6 georgia 4 3

Can someone me and plz do the problem

Use the elimination method to solve the systems of equations.choose the correct ordered pair. 7x+4y=39