Answer: 7
Step-by-step explanation:
because it occurs 3 times and is the most frequent
The equation
represents the total cost, c, of buying x number of adult tickets and y number of child tickets.
Express 

Now divide this equation by 5:

Answer: correct choice is A
Answer:
<h2>(1, -2)</h2>
Step-by-step explanation:
The equation of a circle:

(h, k) - center
r - radius
We have:

Answer:
-4
Step-by-step explanation:
Parallel lines have the same slope
-4