Letters used to represent values or unknown quantities that
can change or vary. One example of an algebraic expression
is 3x – 4. Notice the variable,
The answer is 160 children’s tickets were sold that day
Answer:
54
Step-by-step explanation:
400-184=216
216 out of 400 turned into percentage is 54
Answer:
11. 
12. 
13. 
14. 
15. 
16. 
17. 
18. 
Step-by-step explanation:
In all of them you just subtract the bottom exponent from the top exponent.
Answer:
Step-by-step explanation:
False