Volunteer drivers are needed to bring 80 students to the championship baseball game. Drivers either have cars, which can seat 4 students, or vans, which can seat 6 students. The equation 4c + 6v = 80 describes the relationship between the number of cars, c, and number of vans, v, that can transport exactly 80 students. Select all statements that are true about the situation.

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?

Which expression represents the total perimeter of her sandwich, and if x = 1.2, what is the approximate length of the crust?

Marcy is conducting a study regarding the amount of time students at her school spend talking to friends online. which group would give marcy the best results for her study?