Please help with this. thanks.

15.59in.

Step-by-step explanation:

a² + b² = c²

a² + 9² = 18²

a² = √9²

a = 15.6

good luck, i hope this helps :)

32

step-by-step explanation:

the correct answer is b. negative exponential growth.

step-by-step explanation:

you can tell it's an exponential function because it decreases rapidly then levels out and never touches the x-axis.

it is negative because the y-axis decreases as the x-axis increases.

therefore it is a negative exponential growth graph.

hope i !