Answer:
A: 200 combinations
Step-by-step explanation:
You multiply 4 by 10 to get 40 and then you multiply 40 by 5 to get 200 options
Answer:
If he includes himself then:
Split up the cookies into 4 equal parts.

3.75 cookies each if he includes himself.
If he does not include himself:
Split up the cookies into 3 equal parts

5 cookies each if he shares to his friends without including himself.
Answer:
A.58.81
Step-by-step explanation:
x = number of parties attended
y = number of text messages sent
The residual is the difference between the actual number of text messages sent (200) and the number of texts predicted by the regression model:

The residual is:

The answer is alternative A.58.81
The answer is 43 when you add 29 back to 57 then divide by 2