Write an equation of the line with the given slope, m, and y-intercept (0,b).
m=8, b=3
the equation
(simplify your answer. type your answer in slope-intercept form. use integers or fractions for any numbers in the equation.)

Find the sum of 4x^{2} -4+6 and -7^{2} +3x+1

The graph shows the function f(x) = (2.5)x was horizontally translated left by a value of h to get the function g(x) = (2.5)x–h.

Joseph haydn pet store offers wide variety of leashes for dogs. the store purchases one popular type of leash from its manufacturer for $4.38 each. joseph haydn pets marks up leashes at a rate of 238% of cost. what is the retail price of the popular leash?