the wait time to ride a roller coaster is 20 minutes when 160 people are in line. at this rate, how long is the wait time when 220 people are in line? (write answer to the tenths place)

Lisa has three classes that each last 50 minutes. what is the total number of minutes of the three classes

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

15 and 14.7 are 1 apart, so 15 – 14.7 must be 1.