PLEASE HELP ASAP WHICH ARE PROPORTIONAL Marian earns $7.50 per hour at her part-time job. Is the number of hours Marian works proportional to the amount she earns?

The area of a square can be found by squaring the length of one of its sides. For example, if a square has a side length of 5 centimeters, the square's area is 5, 2, square centimeters, or 25 cm, 2, . Is the side length of a square proportional to its area?

Rafael opens a savings account with an initial deposit of $50. Each week after that, he deposits $10 more. Is the number of weeks that have passed proportional to the amount in his account?

Noah is mixing yellow and red paint. For every 5 ounces of yellow paint he adds 4 ounces of red paint. Is the number of ounces of yellow paint proportional to the number of ounces of red paint?