Drag the tiles to the correct boxes to complete the pairs. The tables show proportional relationships between x and y. Match each table with its constant of proportionality.
please tell me is correct?

The distribution of the amount of money spent by students for textbooks in a semester is approximately normal in shape with a mean of $235 and a standard deviation of $20. according to the standard deviation rule, how much did almost all (99.7%) of the students spend on textbooks in a semester?

Interest begins accruing the date of the transaction except for auto loans mortgages credit card cash advances credit card purchases

One number is 4 less than 3 times a second number. if 3 more than two times the first number is decreased by 2 times the second number, the result is 11. use the substitution method. what is the first number?