Each triangle weighs 2.5 pounds each circle weighs 3 pounds and x represents the weight of each square select all equations that represent the hanger

Evaluate-27 ^4/3/8 a) - 81/16 b) 81/16 c) 16/81

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

When using the linear combination metho e linear combination method to solve a system of linear equations, the four options are: