Use division to prove how 9/12 and 3/4 are equivalent. (If wondering why I’m asking this if I’m in High School… our teacher is making us do a review on every grade in math. Has anyone had this happen to them too? Or is this just strange?) P. S. I suck at math.

Geometry: determine whether segment mn is parallel to segment kl. justify your answer. jm 6 mk 3 jn 8 nl 4

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

The figure below shows rectangle abcd and the triangle eca on a coordinate plane. which of the following expressions represents the perimeter of triangle of triangle eca in units