2+2=? what does two plus two equal?

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?

The fraction 7/9 is equivalent to a percent that is greater than 100%. truefalse

Another type of subtraction equation is 16-b=7. explain how you would sole this equation then solve it.