Acar travels a distance of 150 miles in a time of 2.5 hours, how fast is the car going

At the newest animated movie, for every 9 children, there are 4 adults. there are a total of 39 children and adults at the movie.

The graph shows the distance y, in inches, a pendulum moves to the right (positive displacement) and to the left (negative displacement), for a given number of seconds x. how many seconds are required for the pendulum to move from its resting position and return? enter your answer in the box.

The parabola x= √y-9 opens: a.)up b.)down c.)right d.)left