What is an equation of the line that passes through the point (3,-1) and has a slope of 2?

Sara needs to take a taxi to get to the movies the taxi charges $4.00 for the first mile and then $2.75 for each mile after that if the total charge is $20.50 then how far was sara’s taxi ride to the movie

If f(x) = x+8 and g(x) = 4x- 3, find (f+g)(x)

What is the measure of ac? 5 units 13 units 26 units 39 units 3x- 2b 6x + 9