What is the answer -.6x+ .9= 1x+2.4

1foot = 12 inches; 1 yard = 3 feet

If cos(2x) = tan^2(y), show that cos(2y) = tan^2(x).

Which rule describes the composition of transformations that maps ajkl to aj"k"l"? ro. 900 o to, -2(x, y) to, -20 ro, 900(x, y) ro, 9000 t-2. o(x,y) t-2, 00 ro, 900(x, y)