A sign is 4 and 1/2 feet wide and 5 and 1/4 feet long. Find the area of the sign.

Acircle has a diameter will endpoints of (-2,8) and (6, 4). what is the center of the circle

You are making a battery for a science project. you have copper wire for your first electrode. you need to choose a conductor, a second electrode, and a device to plug into your battery. you have already chosen a lemon conductor. complete each statement below about the options that include a lemon conductor.

In triangle △abc, ∠abc=90°, bh is an altitude. find the missing lengths. ah=4 and hc=1, find bh.