Please help me with 1 and 2 and show me how you get and the answers

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

(mc 02.03) what set of reflections and rotations would carry rectangle abcd onto itself? reflect over the y-axis, reflect over the x-axis, rotate 180° rotate 180°, reflect over the x-axis, reflect over the line y=x reflect over the x-axis, rotate 180°, reflect over the x-axis rotate 180, reflect over the y-axis, reflect over the line y=x

What is the correlation coefficient between the variables? round to three decimal places. enter your answer in the box