I really dont understand this question and id appreciate some help, thank you :)

What could explain what happened when the time was equal to 120 minutes

When a rectangle is dilated, how do the perimeter and area of the rectangle change?

Aprojectile is thrown upward so that its distance above the ground after t seconds is given by the function h(t) = -16t2 + 704t. after how many seconds does the projectile take to reach its maximum height?