Find the perimeter of the triangle to the nearest whole unit. 18.

16.

14.

12.

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?

Ijust need these 2 questions answered (the second pic is just confirmation i'm not confident in that answer)

Abook store is having a 30 perscent off sale. diary of the wimpy kid books are now 6.30 dollars each what was the original price of the books