In an attempt to factor using a GCF, Mia wrote 8x^2 + 4x = 4x (2x - 0), which is not correct. a) how could she check her work? b) what error did she make? c) what is the correct answer? (Not part of question) I believe the (2x - 0) should be (2x + 0) am I right?

The angle of a triangle are given as 6x,(x-3), and (3x+7). find x then find the measures of the angles

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

Micheal is 4 times as old as brandon and is also 27 years older than brandon. how old is micheal