Answer:
215 history and 263 biology
Step-by-step explanation:
478 - 48 = 430. 430/2 = 215. 215 history textbooks. 215 + 48 = 263 biology textbooks
It would be a closed circle or "dot" since it is a less than or equal to sign.
Answer:
12.53
Step-by-step explanation:
6^2+11^2=sqrt157 =12.53
Answer:
No, it is unreasonable.
Step-by-step explanation:
5/5/6+1/3/4=35/6+7/4
=70/12+21/12
=91/12
=7 7/12