14.) a local gym charges non-members $10 per hour to use the tennis courts. members pay a yearly fee of $300 and
$4 per hour to use the tennis courts. how many hours must you use the tennis courts to justify becoming a member.

Suppose that a households monthly water bill (in dollars) is a linear function of the amount of water the household uses (in hundreds of cubic feet, hcf). when graphed, the function gives a line with slope of 1.65. if the monthly cost for 13 hcf is $46.10 what is the monthly cost for 19 hcf?

Marcus and cody both leave the park at the same time, but in opposite directions. if cody travels 6 mph faster than marcus and after 4 hours they are 64 miles apart, how fast is each traveling? solve using rare times time = distance.

Acircle has a circumference of 7.850 units. what is its radius?