If the instantaneous rate of change of f(x) at (8, −4) is 7, write the equation of the line tangent to the graph of f(x) at x = 8. (Let x be the independent variable and y be the dependent variable.)

In the equations, a and b represent the price per night for a room in hotel a and hotel b, respectively, w weeks after september 1 last autumn. what was the price per night in hotel a when it was equal to the price per night in hotel b? a = 240 − 20w b = 320 − 30w

Two streets intersect at a 30- degree angle. at the intersection, the are four crosswalks formed that are the same length. what type of quadrilateral is formed by the crosswalks?

Find the zero function by factoring (try to show work) h(x)=-x^2-6x-9