Spending that can change from year to year is known as what spending?

Which situation is an example of a citizen participating in a politicial process

Arecent poll of 500 residents in a large town found that only 36% were in favor of a proposed referendum to build a new high school. find the margin of error for this poll if we want 95% confidence in our estimate of the percentage of residents in favor of this proposed referendum.

11. why do citizens have to register to vote?