Riding with the wind at her back, a cyclist takes an hour less time to cover 80 miles than without any wind. riding with the wind increases the cyclist's speed by 2 miles per hour. what is her speed when riding with the wind?

41 MPH

Step-by-step explanation:

Let's assume the original speed with or without, is around 82 miles, within 2 hours.

So in this case, it'd be half the miles, half the hours!

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!