It costs $4 to enter a fair. each ride costs 2.50. you have $21.50. how many rides can you go on?

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

0if x and y vary inversely and y=6 as x=7, what is the constant of variation?

Anyone? 15m is what percent of 60m; 3m; 30m; 1.5 km?