Yeah I think so you have to solve and break it down
Answer:

Step-by-step explanation:
There are 6 blue marbles and 14 red marbles, so the ratio of blue marbles to red marbles 
Answer:
15
Step-by-step explanation:
__________________
The parabola x = y² - 9 opens to the right. The vertex is at (-9,0). Since y has no negative coefficient, the parabola opens to the right. Parabola is two-dimensional and is a mirror-symmetrical curve. It is more or less U-shaped.