Answer:
All of these are rates.
Step-by-step explanation:
Hope this helps!
=)
Answer:
Step-by-step explanation:
z*9-10
9z-10
hope i helped.
Let's say David's age right now is x years
x + 6 = 2(x - 7)
x + 6 = 2x - 14
x = 20
Therefor David is 20 years old
Answer:
1759725
Step-by-step explanation:
