For a craft , each student will need 5 rubber bands . there are 8 students . rubber bands comes in bags of 9 . how many bags will be needed ? how many rubber bands will be left over ?

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