Answer:
25 years old
Step-by-step explanation:
karima is 20 years old
Sarah is 2 years older than karima (20+2= 22)
Noha is 3 years older than Sarah
if sara is 22 then noha is 22+3=25
By dropping acorns, and spreading them to other areas by animals and wind.
Answer:
θ = 60.34
Step-by-step explanation:
= 16.177
= θ = .869
= 60.34
Answer:
680
Step-by-step explanation:
Use the binomial coefficient where you choose 
numbers out of 
possible numbers and find the total amount of combinations since order does not matter:
Thus, you can make 680 three-non-repeating-number codes
Answer:
It is 3
Step-by-step explanation:
