Which of the following is true for subtropical jet streams?

A They bring cool air.
B They bring warm air.
C They blow at the poles.
D They blow from north to south.

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