1.)Which term is not matched with a correct definition?

plaintiff – the party that begins a legal case

defendant – a person who is accused

appeal – asking a higher court to review a decision

adversarial system – action against someone for breaking the law

2.)Which term is not matched with a correct definition?

straw polling – using a sample that does not match the population

sample size – the number of people polled

exit poll – a pool taken at a voting place

random sampling – using part of the population to measure the whole population

3.)Which term is not matched with a correct definition?

delegated powers – powers that belong to the federal government

reserved powers – powers of federal government not expressly stated

inherent powers – powers assumed to be given

concurrent powers – powers shared by federal and state governments

Here are the terms that have wrong definitions:
Question 1
D. adversarial system action against someone for breaking the law
An adversarial system is a legal system in which two opposing advocates present their parties' case to an impartial party (judge or jury), who then tries to determine the truth of the case in question.
Question 2
A. straw polling using a sample that does not match the population
Straw polling is an unofficial vote that is normally used to measure public opinion on a certain matter or voter's intentions.
Question 3
C. reserved powers – powers of federal government not expressly stated
The reserved powers are powers reserved to the states.