If a number has a decimal that is .5+, you round up. If it is .4-, you round down. So 817.502 would be 818.
Answer:
The Indus River Valley Civiization.
Step-by-step explanation:
https://www.history.com/topics/ancient-middle-east/persian-empire#section_1
Answer:
b
Step-by-step explanation:
all squares have 4 sides which is a quadrilateral.
Answer:
21/4
Step-by-step explanation:
(5 * 4) + 1
20 + 1
21/4
