Step-by-step explanation:
maybe that is the data where those born in that year are placed
3.643 x 10^-1 would be the answer
So you subtract $22.89 from $54.73 to get a total of $31.84 and that’s how much the customer paid.
Cosine is

which applies to a right triangle. I hope that helps you.
Ivan forgot to follow PEMDAS
Division first
12/3 = 4
4 x 2 = 8
8 + 8 = 16
Hope this helps!