What are the different forms of money

The four most relevant types of money are commodity money, fiat money, fiduciary money, and commercial bank money. Commodity money relies on intrinsically valuable commodities that act as a medium of exchange. Fiat money, on the other hand, gets its value from a government order.

paper bills, electronic money, and coins

Step-by-step explanation:

sry i late hope this helps i took K12 quiz

check the picture below.

well, the angle at the vertex d is clearly not a right-angle, let's check for the one at the vertex f which does look like,   however if it's indeed, that means ef is perpendicular to df, in which case their slopes will be negative reciprocal of each other.

so the negative reciprocal of the slope of ef is 1, however the slope of df is not 1, is 1/2, so nope, they're not perpendicular lines.

a

step-by-step explanation: