Find the area of the circle. Round to the nearest tenth. Use 3.14 or for . radius = 3 ft
a.
38 ft
b.
22 ft
c.
11 ft
d.
7 ft

Toyland is having a sale. all items are 20% off. how much will you save on an item that usually sells for 95$ explain your

[10 points, algebra 2-simplifying complex fractions]according to my answer key the restrictions are -1 and 4. but why not positive 1?

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