Answer:
180
Step-by-step explanation:
60 * 4 = 240
240 / 20 = 12 groups of 20
12*15 = 180
180 cookies
1129.872 rounded to 2 decimal places is 1129.87
Answer: 
<u>Step-by-step explanation:</u>
Average rate of change is the slope (m) between the two coordinates (0, 2) and (2, 1).


