45% of what number is 63? I need to find the whole number

In which of the situations can information about tyler be represented by the expression r+3 when r represents information about ray? check all that apply.

Ascatterplot is produced to compare the size of a school building to the number of students at that school who play an instrument. there are 12 data points, each representing a different school. the points are widely dispersed on the scatterplot without a pattern of grouping. which statement could be true

You deposit $5000 each year into an account earning 3% interest compounded annually. how much will you have in the account in 30 years?