What is the best replacement of the underlined word the sentence below?
By looking at further analysis, scientists rely on formulas to arrive at conclusions for their research in math.
a.
tools
c.
books
b.
calculations
d.
methods
formulas is the underlined word

Canada economy usa test prep i am stupid i don’t get it

Give an example of a situation in which an individual's pursuit of economic self-interest may not benefit but instead harm the rest of society

Mankiw attributes – chapter 1 and his 10 principles – differences in living standards within a countryover time and across countries at a moment in time to: a. the presence or absence of inflation and unemployment.b. the allocation of resources between private markets and the public sector.c. those that have dealt successfully with the efficiency v. equality tradeoff and those that haven’t.d. differences in productivity.e. ones that think at the margin and respond to incentives and those that don’t.