What is the constant of the proportionality?

In the football stadium, there are 18 empty seats out of 360 total seats. (1a) write the ratio of empty seats to total seats as a fraction in simplest form. (1b) then explain its meaning.

The table shows the total distance that myra runs over different time periods. which describes myra’s distance as time increases? increasing decreasing zero constant

How many credit hours will a student have to take for the two tuition costs to be equal? round the answer to the nearest tenth of an hour.