David is playing a trivia game where he gains points for correct answers and loses points for incorrect answers. at the start of round 3 his score is −1500 points. during round 3 he answered five 1000 point questions correctly and three 500 points questions incorrectly. what is his score at the end of round 3? a) −2000 b) −500 c) 2000 d) 3500

Graph the equationy= x+3[tex]y = x + 3[/tex]

If a flying disk is 139 meters in the air and travels at an average of 13 m/s how long is it in the air

Grace is standing 18 feet from a lighthouse and kelly is standing 10 feet from grace. the angle that grace looks up to see the top of the lighthouse is 45°. the angle that kelly looks up to see the top of the lighthouse is y°. find the height, h, of the lighthouse. find the angle, rounded to the nearest tenth of a degree, in which kelly looks up to the top of the lighthouse. to the nearest tenth of a degree, find the value of x° . in two or more sentences, explain your calculations