Online auction sites that involve business transactions between users of products and services are categorized as e-commerce.

cognitive overload: having a lot on your mind impairs decision-making and tends to result in the simplest, but not necessarily best, option being selected.

empathy gaps: overlooking how you might feel in a different situation can result in unnecessary purchases, such as overbuying when shopping for food on an empty stomach.

optimism and overconfidence: wearing rose-tinted glasses and having unrealistic expectations about the future can affect money management and leave you unprepared for a change in circumstance.

instant gratification: seeking instant gratification drives impulsive spending and can undermine long-term planning and savings.

harmful habits: automatic or mindless behaviour can amplify a poor financial decision as it becomes a recurring event.

social norms: we are heavily influenced by the actions of others; while this can be in certain circumstances, it also contributes to the pressure to keep up with the joneses through conspicuous consumption.

D. right - there is a 90° angleb. isosceles  - two sides are congruent (same angle). the hypotenuse is  \sqrt(2) of the two sides.hope this

Answerwinchell would use the residual method($120-$100)=$20;

1kilogram = 2.205 pounds1,101.10 • 2.205 = 2,427.9255