Q: philip says truth only one day in a week.
hint 1: days are sun, mon and so on.
hint 2: one day he says "i lie on mon and tue".
hint 3: next day he says "today is either thu, sat or sun".
hint 4: next day he says "i lie on wed and fri".
on which day he says the truth?

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