Starting from an airport, an airplane flies 225 miles south, then 175 miles northwest. How far, in miles, from the airport is the plane? (Round your answer to the nearest hundredth if necessary.) How do you find the angle for the 175 miles to use the formula x=|v|cos and ect.?

Ineed asap graph the system of equations 2x+y=5; 14+7y=35

Thales was an ancient philosopher familiar with similar triangles. one story about him says that he found the height of a pyramid by measuring its shadow and his own shadow at the same time. if the person is 5-ft tall, what is the height of the pyramid in the drawing?

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