At the hardware store 2/4 of the nails are size 2d and 1/4 of the nails are size 4d what fraction of the nails are either size 2d or 4d

The price of a visit to the dentist is calculated according to the formula 50+100n50+100n where nn is the number of cavities the dentist finds. on your last visit to the dentist, 22 cavities were found. what was the cost of your visit?

Atransformation t : (x,y) (x-5,y +3) the image of a(2,-1) is

In the diagram, ab is tangent to c, ab = 4 inches, and ad = 2 inches. find the radius of the circle.