Which points are on the graph of f(x)=(1/3)^x?

select each correct answer.

a. (−1, −13)

b. (3, 27)

c. (0, 1)

d. (−2, 9)

Aman is 6 feet 3 inches tall. the top of his shadow touches a fire hydrant that is 13 feet 6 inches away. what is the angle of elevation from the base of the fire hydrant to the top of the man's head?

What is the total surface area of this square pyramid?

If i have 20$ and i gave 5$ away how much i got