Find the equation of a line in point slope form that crosses through points (3,-2) and (5,2)

Can someone me with #s 8, 9, and 11. with just one of the three also works. prove using only trig identities.

Helll ! 1,400 tons of wheat of two different varieties was delivered to the silo. when processing one variety, there was 2% of waste and 3% during the processing of the second variety of wheat. after the processing, the amount of remaining wheat was 1,364 tons. how many tons of each variety of wheat was delivered to the silo?

How many zeros does this polynomial function, y=(x-8)(x+3)^2