A rocket carrying fireworks is launched from a hill above a lake. the rocket will fall into the lake after exploding at its maximum height. the rocket's height above the surface of the lake is given by the function h=-16t^2+64t+80. in this function, h is the height of the rocket (in feet) and t is the amount of time (in seconds). predict the height of the rocket after 3 seconds

Ascientist has 50 grams of a radioactive element. the amount of radioactive element remaining after t days can be determined using the equation (1) after two days the scientist receives a second shipment of 50 grams of the same element. the equation used to represent the amount of shipment 2 remaining after t days is 10) - 50 which of the following is an equivalent form of the expression for the amount remaining in shipment 2? what’s the answer?

Fill in the blank 1. a rhombus is a rectangle a) always b) sometimes c) never 2. a square is a quadrilateral a) always b) sometimes c) never 3. a trapezoid is a kite a) always b) sometimes c) never 4. a quadrilateral is a kite a) always b) sometimes c) never 5. a square is a rhombus a) always b) sometimes c) never 6. a parallelogram is a rectangle a) always b) sometimes c) never

What are the solutions of the equation x4 – 5x2 – 14 = 0? use factoring to solve. someone !