Answer:
0
Step-by-step explanation:
The + on the zero means the limit as x approaches 0 from the right side

18
I used a calculator so you’ll need someone else to explain my apologies. I’m tried but I wanted to try and help by giving you the answer
4 cm x 4 cm would make a 16 cm area
just multiply 4 and 4 together to get the answer!
16 cm area
please mark the brainliest!