Answer:
Neema should get one box.
Step-by-step explanation:
Neema has 10 friends and each friend wants 2 cookies. 2x10 = 20 cookies, the exact amount that is included in a single box. So Neema only needs to get one box to satisfy everyone.
Answer:


Step-by-step explanation:
Given


Solving (a): Mean



Solving (b): Standard Deviation (SD)




Answer:
-2-p
Step-by-step explanation:
(p-2)x=4-p^2
(4-p^2)/(p-2)
-2-p