Estaban is making turtle brownies. the recipe calls for 3/4 bags of carmel squares . one bag has 24 caramel squares in it. estaban decides to make two batches of turtle brownies.

If 1/√5+1/√5+1=p+q√r , find the values of p, q and r

If w = 6 units, x = 3 units, and y = 5 units, what is the surface area of the figure? 168 units2 240 units2 144 units2 96 units2

Apinhole camera is made out of a light-tight box with a piece of film attached to one side and pinhole on the opposite side. the optimum diameter d(in millimeters) of the pinhole can be modeled by d=1.9[ (5.5 x 10^-4) l) ] ^1/2, where l is the length of the camera box (in millimeters). what is the optimum diameter for a pinhole camera if the camera box has a length of 10 centimeters