I b. The discount price of a hat is $18. What is the regular price?
The regular price of the hat is
I know this because I ...

320ft

step-by-step explanation:

120 divided by 3 equals 40

40 times 4=160

160 times 2=320

d. 5

step-by-step explanation:

f(x) + n - shift a graph n units up

f(x) - n - shift a graph n units down

f(x + n) - shift a graph n units to the left

f(x - n) - shift a graph n units to the right

on the picture we can see:

the graph g(x) was made by shifting the graph f(x), 5 units to the left.

therefore g(x) = f(x + 5) → k = 5

look at the picture.