Answer:
n + 5
Step-by-step explanation:
if last year melly was N year old, she is now n+1 years old.
So, in four years, she will be
(n + 1) + 4 years old
meaning that she will be n + 5 years old.
hope this helps!! :)
Answer:
15 possible combinations
Step-by-step explanation:
Given


Required
Determine the possible number of combinations
The question emphasizes on "selection" which means "combination".
So; To answer this question, we apply the following combination formula:

In this case:


The formula becomes:






<em>Hence, there are 15 possible combinations</em>
4543.08 in 52.4=86.7 52.4 in 4543.08=.01
I don't think theses are right but they are just a guess
Answer:
F(x) = 17x^2 - 13x + 2
Step-by-step explanation:
90° is the correct answer