Anna is shopping for a new backpack. the probability that the backpack is pink is 0.7, and the probability that it is canvas is 0.7. the probability that it is pink and canvas is 0.5. what is the probability that it is pink or canvas.

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