How do I solve for constant rate of change

Jason did yard work for 3 hours and earned $18. What are the unit ratios in hours per dollar and dollars per hour?

A pyramid has a rectangular base of length (3x + 1) cm and width xcm. It also has a perpendicular height of 12 cm. The volume of the pyramid is 96 cmº.

5. A city finds its residents are moving to the suburbs. Its population is decreasing by 4% per year. If the initial population of the city was 100,000, what will its population be in 10 years (round answer to the nearest person) ?

A example of a greatest common factor

A single die is rolled twice. Find the probability of rolling an oddnumber the first time and a number greater than 2 the second time.

If 65% of the light are on what percent of the lights are off

Who said "truth is ever to be found in the simplicity, and not in the multiplicity and confusing of things"?

Bethany added a decorative border across the top of each wall of her kitchen. A diagram of her kitchen is shown below. She used a total of 62 feet of border. What is the length in feet of the unlabeled wall?

Danielle needs to walk 4 miles. if she wants to reach her destination in 50 minutes, how fast does she need to walk

Jacob with his mower can mow and trim Mr. Clark's yard in two and a half hours, while Nicole with her mower can mow and trim the same yard in just two.