What is the constant of proportionality in the equation y=\dfrac{5}{9}xy= 9
5

xy, equals, start fraction, 5, divided by, 9, end fraction, x?

Find three consecutive numbers such that the sum of one-fourth the first and one-fifth the second is five less than one-seventh the third

Just tell me how to set up the equation.

1) in triangle the, what is the measure of angle t (in degrees)? 2) in triangle bat, the measure of angle b is 66∘, and the measure of angle t is 77∘.what is the measure of the exterior angle at a (in degrees)?