31 i will mark brainiest and award points, provide work or you will not be qualified to be marked brainest

which equation best represents a trend line for the scatter plot?

y=x+20

y=12x+40

y=12x+30

y=x+30

Aaron invested a total of $4,100, some in an account earning 8% simple interest, and the rest in an account earning 5% simple interest. how much did he invest in each account if after one year he earned $211 in interest? select one: a. $200 at 8%, $3,900 at 5% b. $3,200 at 8%, $900 at 5% c. $900 at 8%, $3,200 at 5% d. $3,900 at 8%, $200 at 5%