Also dont put a link dude In one to two sentences, explain how specialization can improve people’s lives.

by specialization it can effect people in many ways

Explanation:

Occasionally, people who specialize in a field develop new techniques or new technologies that lead to huge increases in productivity. Increased specialization ultimately leads to higher standards of living for all those involved in economic exchanges.

part a. there were 250 teenagers surveyed (100% of tenagers = 250)therefore 1 % = 250/100 = 2.5 76% = 1% x 76 = 2.5 x 76 = 190 teenagers of the 250 surveyed liked burgerspart b: jane surveyed 25% (which is equal to 50 teenagers, i.e. a quarter of the teenagers surveyed is 50) to get 100% we simply get 4 quarters, i.e. multiply 50 by 4 = 200 teenagers were surveyed by jane. part c: it is impossible to give an example where a percentage is greater than 100%, since, by definition , percentage means "per 100".

c. troops marched forward in close formation against newer, more accurate weapons