I need help please please

15m is what percent of 60m; 3m; 30m; 1.5 km? the last one is km not m

Need match the functions with correct transformation. f(x) = -3x f(x) = |x-1|+3 f(x) = √(x+3) 1/2x² f(x) = (x+1)²-3 4|x| 1. compress by a factor of 1/2 2. stretch by a factor of 4 3. shift to the left 3 4. shift to the left 1 5. shift up 3 6. reflection

Find an bif a = {3, 6, 9, 12) and b = {2, 4, 6, 8, 10).