Answer:
-10 is the second term.
Step-by-step explanation:
After the first term each term is obtained from the previous one by adding 10.
c(1) = -20
so c(2) = -20 + 10
= -10.
33.3333...
50000 ÷ 15000, which is the increase = 0.3333333
Times by 100 for percent
hmmm I think u need to talk to ur teacher