Evaluate the function f (x) = 7x + 3 for f(-4)

Pls help
A)31
B)-31
C)25
D)-25

As voters exit the polls, you ask a representative random sample of voters if they voted for a proposition. if the true percentage of voters who vote for the proposition is 63%, what is the probability that, in your sample, exactly 5 do not voted for the proposition before 2 voted for the proposition? the probability is