Which of the following indicates a fairly strong relationship between x and y? 1. $r^2=0.9$ 2. the p-value for the null hypothesis $\beta_1=0$ is 0.0001 3. the t-statistic for the null hypothesis $\beta_1=0$ is 30

1e+27

step-by-step explanation:

step-by-step explanation:

points a and b are equidistant from the desired line, so the line you find by using them will go through point r.

using points other than a and b will give the desired line only if they are equidistant from r. if they are randomly located, the perpendicular line you create will not necessarily go through point r, hence will not be a solution to the problem.

the answer is  

a.

4,624π mm2

step-by-step explanation:

1st part is 64,000,000

2nd part 500,000

step-by-step explanation: