Pentagon A'B'C'D' E' is the image of pentagon ABCDE under a dilation with a scale factor of 1/2. What is the length of segment C’D’

Ben is three times as old as samantha, who is two years older than half of michel's age. if michel is 12. how old is ben?

Could someone with number 1 and 2

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?