Need help quick!! Cant figure this out

The average speed of the car, in miles per hour, from 17:30 to 19:42, is 119.167 meters per second.

Step-by-step explanation:

Physically speaking, average speed (), measured in miles per hour, is the distance travelled (), measured in miles, divided by time (), measured in hours. That is:

(1)

The time needed by the vehicle is:

If we know that and , then the average velocity of the car is:

The average speed of the car, in miles per hour, from 17:30 to 19:42, is 119.167 meters per second.

-7

step-by-step explanation:

x^2 + 18x + 74 = (x + 9)^2 - 81 + 74

= (x + 9)^2 - 7.

so q = -7.

faster, im not sure why but i know it is faster