I need some help on this please Simplify 2c-5c+c

Adaylily farm sells a portion of their daylilies and allows a portion to grow and divide. the recursive formula an=1.5(an-1)-100 represents the number of daylilies, a, after n years. after the fifth year, the farmers estimate they have 2225 daylilies. how many daylilies were on the farm after the first year?

Marcus needs to rewrite f(x) = x2 + 6x + 4 in vertex form.

Iwant to know what 3g+5h+4g-2h is my teacher is too selfish to tell us