a watermelon is launched from a 25 foot tall platform at a carnival. the watermelons height h ( in feet) at time t seconds can be modeled by the equation

Which quadratic function best fits this data? x y 1 32 2 78 3 178 4 326 5 390 6 337 a. y=11.41x2+154.42x−143.9 b. y=−11.41x2+154.42x−143.9 c. y=11.41x2+154.42x+143.9 d. y=−11.41x2+154.42x+143.9

Place the following steps in order to complete the square and solve the quadratic equation,

Which shows the correct solution of the equation 1/2a+2/3b=50, when b=30?