The scatter plot shows the number of dvds aaron sold in different months:

plot ordered pairs 1, 20 and 2, 50 and 3, 80 and 4, 110 and 5, 140

what is the approximate predicted number of dvds aaron will sell in the 13th month?

380
390
400
420

Dylan and dusty plan to take weekly surfing lessons together. if the 2-hour lessons are $20 per person and they plan to spend $100 each on new surfboards, what is the maximum number of lessons the two can take if the total amount spent for lessons and surfboards is at most $480?

What are the values of a, b, and c in the quadratic equation 0 = x2 – 3x - 2? a = 1, b = 3, c = 2 a=, b = -3,c=-2 a = 1, b = 3, c= 2 a = 1.0= -3, c = 2

I'm confused on this could anyone me and show me what i need to do to solve it.