Pease help me its due at 12am pleas4 and ty ill giove brainlisted

Write the expression in complete factored form. 5n_(c - 3) - n(c - 3) =

In 2009, there were 1570 bears in a wildlife refuge. in 2010, the population had increased to approximately 1884 bears. if this trend continues and the bear population is increasing exponentially, how many bears will there be in 2018?

The ratio of the perimeters of two similar triangles is 4: 3. what are the areas of these triangles if the sum of their areas is 130cm2?