Define standard of living and summarize in your own words the relationship between standard of living, cost of living, and stage of life.

Step-by-step explanation:

Cost of living implies the general level of prices of the goods and services which a common man can afford, for his regular needs. Standard of living refers to the level of money and well-being, that people enjoy in a particular country. How expensive it is to survive in a place, in comparison to another.

we have three similar triangles, because each has a right angle and shares an angle.   let's write the angles in order: opposite to short leg, long leg, hypotenuse.

cab similar to bad similar to cbd

or as ratios,

ca: ab: cb = ba: ad: bd = cb: bd: cd

we also know

ac = ad + cd

(ad+cd): ab: cb = ba: ad: bd = cb: bd: cd

(ad+cd)/cb=cb/cd

we have cb=6, ad=5 and seek x=cd.

we reject the negative root and conclude x=4

answer: 4

teleportation

step-by-step explanation: