Answer:
I think it's 21
Step-by-step explanation:
I'm not surebut I hope this helps.
An expression is a number, a variable, or a combination of numbers and variables and operation symbols. An equation is made up of two expressions connected by an equal sign.
Once per month there is food that is 33 centimeters long
Answer:
Table
Step-by-step explanation:
A table is an arrangement of data in rows and columns, or possibly in a more complex structure.
20^2-12^2=x^2
400-144=x^2
256=x^2
x=16
