Please help me with the below.

Micky had the lowest unit rate of 0.3

Step-by-step explanation:

For Jason, the distance travelled is given by:

The unit rate is the slope , which is ½ or 0.5

For Susan, she travels 3 miles is 5 minutes. Her unit rate is

Or 0.6

We can determine, Micky's unit rate from the graph. Using (20,6) and (40,12) on the graph, we determine the unit rate using,

Therefore Micky had the lowest unit rate

the rocket cannot penetrate the ground, in a contextual sense, therefore the roots of this equation should be the domain of this function. i'll let you find the roots of this quadratic equation (hint: use the quadratic formula:  

1- c

2-a

step-by-step explanation:

mark brainliest!