X is 4 more than two-thrice
of y.

The median am of triangle ∆abc is half the length of the side towards which it is drawn, bc . prove that triangle ∆abc is a right triangle, and find angle mac and abm

What is the name of a polygon that has four congruent sides and theses angle measures 60,120,60,120?

Can someone me find the original price? the discount is 5% and the sale price is $68.40