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.

The radius of the circle is 4 cm and the measure of the central angle is 90° the area of the sector with a central angle measuring 90° and radius of length 4 cm is vt cm the triangle in the sector is 4 cm the area of the triangle is v/cm² the area of the segment of the circle is (471 - ) cm?

James adds two numbers a + b. sally adds the same two numbers but reverse the order b + a what property of addition assures us that james and sally will get the same sum

(50 ) mrs. julien’s and mrs. castillejo’s classes are selling cookie dough for a school fundraiser. customers can buy packages of macadamia nut chip cookie dough and packages of triple chocolate cookie dough. mrs. julien’s class sold 25 packages of macadamia nut chip cookie dough and 30 packages of triple chocolate cookie dough for a total of $221.25. mrs. castillejo’s class sold 5 packages of macadamia nut chip cookie dough and 45 packages of triple chocolate cookie dough for a total of $191.25. (a) write the system of equations that model the problem. be sure to explain which equation represents which situation. (b) find the cost of each type of cookie. show your work. (c) explain which method you used to solve the system and why you chose that method.