Raquel and her brother Marcus are huge sports fans. Combined they owe 15 sports jersey. Raquel owns double the amount of Marcus's jerseys plus an additional three. Use x to represent Marcus's amount of jerseys and y to represent Raquel's amount of jerseys. Write a system to represent this situation.

How many lines can be drawn through points j and k? 0 1 2 3

The longer leg of a 30° 60° 90° triangle is 16 times square root of three how long is a shorter leg

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