Find the area of the triangle. round your answer to the nearest tenth, if necessary. a. 78.6 in.2 c. 127.6 in.2 b. 75.1 in.2 d. 84.9 in.2

Alicia puts $400 in a bank account. each year the account earns 5% simple interest. how much money will be in her bank account in six months?

Two angles are complementary. the large angle is 36 more than the smaller angle. what is the measure of the large angle?

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