Last week Matilda earned $103.50 for babysitting nine hours. She will earn $138 this week when she works for twelve hours. Which of the following equations could Matilda use to find the constant of proportionality if she earns the same hourly rate?

Angela took a general public aptitude test and scored in the 88th percentile for aptitude in accounting. what percentage of the scores were at or below her score?

It is saturday morning and jeremy has discovered he has a leak coming from the water heater in his attic. since plumbers charge extra to come out on the weekends, jeremy is planning to use buckets to catch the dripping water. he places a bucket under the drip and steps outside to walk the dog. in half an hour the bucket is 1/5 of the way full. what is the rate at which the water is leaking per hour?

Polygon abcde is reflected to produce polygon a′b′c′d′e′. what is the equation for the line of reflection?