Ten people were chosen at random and surveyed. Their annual incomes (X) and the amounts of their annual charitable giving (Y) are both shown in the table below. Salary
(in ten thousands)Charitable Giving
(in thousands)
XY
383.8
420
480
552
580
612
660
721
783
1200.5

Using technology, compute the correlation coefficient, r, and determine if there is a correlation between the variables.
A.
r 0.86 ; strong correlation

B.
r -0.86 ; weak correlation

C.
r -0.14 ; weak correlation

D.
r 0.14 ; strong correlation

Adriveway is 40 yards long about how many meters long is it

The trigonometric ratios sine and secant are reciprocals of each other

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)