Answer this quick plz

Steven Has:

- 9 Different Shirts

- 5 Different Hats

- 4 Different Scarves

A) On Monday, he picks a shirt, a hat and a scarf.

Show that there are 180 different combinations he can pick.

A20? -foot ladder is placed against a vertical wall of a? building, with the bottom of the ladder standing on level ground 19 feet from the base of the building. how high up the wall does the ladder? reach?

What is the area of the shaded sector?

Consider a= {x|x is alive} f={x|x is in france} m={x|x is a national monument} w{x|x is a woman}. which statements are true regarding elements of the given sets? check all that apply.