Answer:
x=sqrt of 12
Step-by-step explanation:
First, you divide by 9 on both sides:
x^2= 108/9
Then you solve that:
x^2 = 12
Then you find the root of both sides:
sqrt (x^2)= sqrt (12)
and you get:
x= sqrt of 12 which is about 3.46... OR 2√3
Answer:
(-4, 3)
Step-by-step explanation:
From the graph, it looks like the two lines intersect at pint (-4, 3).
Answer:

Step-by-step explanation:
Let y be the total price and x be the months passed,
Since the enrollment fee is $50, the y-intercept would be 50 regardless of the months passed. Also, since the price increases by $60 every month, we know the gradient is 60.
Therefore, the equation is
Answer: 
<u>Step-by-step explanation:</u>

X=15, all you have to do is multiply