The zeros of a parabola are 6 and −5. if (-1, 3) is a point on the graph, which equation can be solved to find the value of a in the equation of the parabola? 3 = a(−1 + 6)(−1 − 5) 3 = a(−1 − 6)(−1 + 5) −1 = a(3 + 6)(3 − 5) −1 = a(3 − 6)(3 + 5)

Which of the following represents the length of a diagonal of this trapezoid?

What is the approximate value of  x  in the equation below.–3.396–0.7080.3040.955

Aspacecraft can attain a stable orbit 300 kilometers above earth if it reaches a velocity of 7.7 kilometers per second. the formula for a rocket's maximum velocity v in kilometers per second is vequalsminus0.0098tplusc ln upper r, where t is the firing time in seconds, c is the velocity of the exhaust in kilometers per second, and r is the ratio of the mass of the rocket filled with fuel to the mass of the rocket without fuel. find the velocity of a spacecraft whose booster rocket has a mass ratio of 20, an exhaust velocity of 2.1 km/s, and a firing time of 15 s. can the spacecraft achieve a stable orbit 300 km above earth?