HELP

Find the Axis of Symmetry

Use set buikder notation to represent the following set: {, -2, -1, 0}

Which number produces a rationale number when multiplied by 1/5

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?