During the early 1960s, many senior citizens faced the challenges of ?

poverty and lack of health insurance.  

Explanation:

The beginning of the 60s was a very troubled time for the elderly, because there were no public policies that would regulate state aid that would be effective in improving the lives of poor people. This caused several elderly people to be subjected to a life of poverty and disease.

This changed in 1964 with the creation of the Great Society, which was a program aimed at creating public policies that poverty, social injustice and lack of health care for the poor.

Large society has been a great help to the elderly, health programs providing Medicare and Medicaid, creating federal funds for education and investing in social security.

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.

the answer is "by providing data about careers and annual mean wages"