Find the solution set of the quadratic equation over the set of complex numbers. -7x2 + 12x = 10 0) A) X = B) X = 10 - (6 – i V34) or £6+iV34) 10/6-i134 ) or 1o (6 + iv34) - 1 (5- i V59) or (5+iV59 ) 2017-i 431) or 27 +iV431 C) X = D) X = 20​

Determine whether the points (–3,–6) and (2,–8) are in the solution set of the system of inequalities below. x ? –3 y < 5? 3x + 2 a. the point (–3,–6) is not in the solution set, and the point (2,–8) is in the solution set. b. neither of the points is in the solution set. c. the point (–3,–6) is in the solution set, and the point (2,–8) is not in the solution set. d. both points are in the solution set.

Which of these tools or constructions is used to inscribe a hexagon inside a circle?

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