In a triangle the three angles are x°, 2x° and 3x° a) Show that 6x = 180

b) Find the value of x
x = °

For what value of (y) is 3^3/3^y =1/9

If 30 lb of rice and 30 lb of potatoes cost ? $27.60? , and 20 lb of rice and 12 lb of potatoes cost ? $15.04? , how much will 10 lb of rice and 50 lb of potatoes? cost?

See attachment below and find the equivalent of tan(∠qsr)