Answer:
The mean number of children is 3.
Step-by-step explanation:
18 it is this please look144÷8=18
130 revolutions is 130×85π=34714.60cm=347.146m or 347m to the nearest metre.
Answer:
1. They consist primarily of variables.
2. They are often called formulas.
4. They often describe real-world relationships.
8/15 or somthing like that it you might be souposed to solve it diferent than i did