Tell whether x and y show direct variation. Explain your reasoning. If so, find k.

x=2/5*y

Asailor is looking at a kite. if he is looking at the kite at an angle of elevation of 36and the distance from the boat to the point where the kite is directly overhead is 40 feet, how high is the kite?

Candy lives in the center of town. her friend darlene lives 28 miles to the east and her friend dana lives 21 miles north. approximately how far do dana and darline live apart ?

The ratio of the measures of the three angles in a triangle is 2: 9: 4. find the measures of the angels