20 POINTS!! 1.The inside rail of a running track consists of a rectangle with a semicircle at each end.
2.Find the area of the figure. Round to the nearest tenth if necessary.
3.Find the area of the figure. Round to the nearest tenth if necessary.

Me! 50 points! why does when we come home, our door is unlocked and there is grease on the door knob, me solve this , and i don't know what category this goes under

Koji is installing a rectangular window in an office building. the window is 823 feet wide and 534 feet high. the formula for the area of a rectangle is a=bh. what is the area of the window? enter your answer as a mixed number in simplest form in the box. $$ ft2

If you are dealt 4 cards from a shuffled deck of 52? cards, find the probability that all 4 cards are diamondsdiamonds.