The following tables represents the number of weeks and pounds (lbs) of weight loss for Cindy and Mark. What is the average rate of change for Cindy and Mark?

Cindy:
Time (Weeks): 0 1 2 3 4 5
Weight (lbs): 143 138 135 135 133 130.5

Mark:
Time (Weeks): 0 1 2 3 4 5
Weight (lbs): 245 240 237 232 226 220

A. Cindy = 2.5lb loss a week; Mark = 5lb loss a week.
B. Cindy = 3lb loss a week; Mark = 5.25lb loss a week.
C. Cindy = 5lb loss a week; Mark = 2.5lb loss a week.
D. Cindy = 5.25lb loss a week; Mark = 3lb loss a week.

Solve with work both bert and ernie received an increase in their weekly salaries. bert's salary increased from $520 to $520. ernie's salary went from $580 to $645. find the percent of increase for each salary. what was the larger of the two percents ?

On traditional maps, earth is represented in a flat plane, or by euclidean geometry. however, a globe is a more accurate model that comes from elliptical geometry. how does a globe represent the fact that there are no parallel lines in elliptical geometry? the equator is not parallel to any other latitudinal lines. the north and south poles are never connected by a geodesic. the geodesics connecting the north and south poles never intersect. the geodesics connecting the north and south poles intersect at both of the poles.

Select the correct answer from each drop-down menu. the table shows the annual sales revenue for different types of automobiles from three automobile manufacturers. sales revenue (millions of dollars) suv sedan truck marginal total b & b motors 22 15 9 46 pluto cars 25 27 10 62 panther motors 26 34 12 72 marginal total 73 76 31 180 the company with the highest percentage of sales revenue from sedans is . of the annual sales revenue from suvs, the relative frequency of pluto cars is .