13+13+13+13=52
Answer=52cm^2
Answer:
0<4>-1/2
Step-by-step explanation:
Answer:
B.
Step-by-step explanation:
The opportunity cost means what Henry will be missing out on by not working at the library. He loses the chance to earn by working in a library.
This problem can be simplified by remembering that since
, we have
. Then we have
.