4.5 times what, equals 30

Is the open sentence 5x-2=3x+2 true when x=2? justify your answer.

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

Which fraction is equal to 1hole and 2/5? a.3/5 b.75 c.57 d.73