Find the average rate of change for the function over the given interval f(x)=x^2+5x between x=4 and x=6

Write an equation of the line that passes through the point (2, 3) and is perpendicular to the line x = -1. a) y = 1 b) y = 3 c) y = 0 eliminate d) y = -3

Solve the following pair of equations for x and y: ax/b_ by /a= a +b; ax - by = 2ab

700 miles the train takes 5 hours to a travel the distance at what unit rate is the train traveling?