Six years ago, John was three times as old as his dog at that time. If the sum of their
current ages is 28, how old are they now?

Brook states that the distance on the line is 4 units. caleb states that the whole line does not have a distance because it continues on forever. vivian states that the line is 6 units long. which distance did brook measure? which distance did vivian measure?

Which equation represents the partial sum of the geometric series?

Which of the following graphs could represent a quartic function?