Andy wants to build a circular concrete patio in his backyard and install a jungle gym on top of it. one 80-lb bag on concrete will be enough for 2 square feet. if he wants the diameter of the patio to be 10 ft, how many bags of concrete will he need to purchase ?

Lindsay used two points, (x,y; ) and (+2.82), to find the equation of the line, y = mx + b, that passes through the points. y2-y, first, she used the definition of slope and determined that the value of mis x, - . given this information, which expression must represent the value of b?

If f(x)=x+7 and g(x)=1/x what is (fog)(x)

Convert (-3,0) to polar form. a. (3,0’) b. (-3,180’) c. (3,180’) d. (3,360’)