Which of the following best explains the reason for the rise i the standard of living in the united states after world war 2?
a. the investment in fighting communism worldwide
b. greater productivity at lower cost
c. the creation of levittown
d. the passage of equal rights amendment

answer: this problem has only trivial solutions, with all points on the same line. x=5 or x=7/5.

step-by-step explanation:

there are three triangles, and three unknowns: x, y=length of middle segment, and z=cos(angles marked with red arc).

we need

and law of cosines,

the three equations are

see attached image for solution.

our former president bush did 9/11