What is the image point of (-4,8) after a translation right 3 units and down 3 units ?

Which one ? is the answer and how to find this answer

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?

Maria solved an equation as shown below. what is the solution to maria’s equation?