Answer:
18
Step-by-step explanation:
multiply 6 by 3
It's super duper easy
6/7=x/21
x=21×6/7
x=18
1. false
2. idk
3. its C
4. idk
7.
a. This is an equation because it has to parts, separated by an equal sign
b. 5 because 5 is the number b is multiplied by in the first part
c. idk
d. a, b, and c are the variables
e. idk
sorry haven't done this in a while
plz mark me brainliest.
i have spent much time in it.
