Find the missing digit:
8.93 - _.5 = 2.43
pls show work.

Me, prove a quadrilateral with vertices g(1,-1), h(5,1), i(4,3) and j(0,1) is a rectangle using the parallelogram method and a rectangle method.

What are the solutions of the system? solve by graphing. y = -x^2 -6x - 7 y = 2

Aplot of land has been surveyed for a new housing development with borders ab, bc, dc, and da. the plot of land is a right trapezoid with a height of 60 feet and an opposite leg length of 65 feet