Answer:
The correct answer for this equational ratio is x = 5
Step-by-step explanation:
In order to calculate for x, we must create the necessary ratios

Cross multiply to get
900 - 100x = 80x
900 = 180x
x = 5
Answer:
n=18
Step-by-step explanation:
7n+11?
n=7+11
7+11=18
n=18
We can use a factorial to solve this:
3! = 3 * 2 * 1 = 6
So, she can wear them in a total of 6 combos.
Answer:
90degrees
Step-by-step explanation:
The sum of complimentary angles will always be 90degrees