Ross and 5 of his friends are going kayaking. they rented 6 kayaks for $420. then they bought food for all 6 people, which cost $144. if all 6 people shared the cost of the trip equally, how much did each person pay?

Find the volume of the described solid.the solid lies between planes perpendicular to the x-axis at x = 0 and x=7. the cross sectionsperpendicular to the x-axis between these planes are squares whose bases run from the parabolay=-31x to the parabola y = 30/x.a) 441b) 147c) 864d) 882

This is about circle theorems. someone asap : (

Walking at a constant rate of 8 kilometers per hour, juan can cross a bridge in 6 minutes. what is the length of the bridge in meters?