A recipe for sugar cookies requires 2 cups of flour for every ⅔ cups of sugar. At this rate, how many cups of sugar should be used if 5 cups of flour in included?

Just tell me how to set up the equation.

Aman is 6 feet 3 inches tall. the top of his shadow touches a fire hydrant that is 13 feet 6 inches away. what is the angle of elevation from the base of the fire hydrant to the top of the man's head?

The suare root of 9x plus 7 plus the square rot of 2x equall to 7