Help pls will give brainlest

Solve the equation - 2(m -30) = -6m a-15 b-13 c-8 d8

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

Look at triangle wxy what is the length (in centimeters) of the side wy of the triangle?