There are two bags containing only purple and yellow marbles.

bag a has 6 purple marbles and 4 yellow marbles.
bag b has 7 purple marbles and 13 yellow marbles.

a marble is randomly chosen from each bag. list these events from least likely to most likely.
event 1 : choosing a purple or yellow marble from bag b.
event 2 : choosing a purple marble from bag b.
event 3 : choosing a purple marble from bag a.
event 4 : choosing an orange marble from bag a.

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