A system of equations is shown below. X + 7y = 23
3x + 14y = 48
What is the value of x + y in the solution to the system?

Which system of linear inequalities is represented by the graph? !

In triangles abc and wxy, a=w and b=x which of the following must be true to prove abc=wxy by the aas theorem? a. ab=bc b. bc=xy c. ab=wx d.

In triangle △abc, ∠abc=90°, bh is an altitude. find the missing lengths. ah=4 and hc=1, find bh.