An amusement park charges $9.00 for admission and $4.00 per ride write an equation that gives cost in dollars as a function of number of rides

After applying the composition r0.90 ry to rs what are the coordinates of r' and s'? a.r'(–3, 1),  s'(–3, 5)b.r'(–1, 3),  s'(–5, 3)c.r'(1, 3),  s'(5, 3)d.r'(5, 3),  s'(1, 3)

On a piece of paper graph f(x)=5•(0.4)^x

Tom had a total of $220 and he spent $35 on a basketball ticket . what percent of his money did he have left?