14)
check the picture below... so.. is just a semi-circle and a rectangle, nothing fancy, get their area, sum them up.
15)
so... the voter turnout, is referring to, what's the percentage that voted, which year has the highest percentage... well, we simply check the percentage of the value provided from the total eligible voters, keeping in mind that, all eligible voters are the 100%
so.. for 1944

for 1984
Answer:
-14
Step-by-step explanation:
12mn-8mt+9t²-6mt
12mn+9t²-14mt
the coefficient of mt is -14
while excluding 0, the product and quotient is positive if operating between same sign, otherwise if we operating different sign will resulted negative.