Answer: The letter "x" is often used in algebra to mean a value that is not yet known. It is called a "variable" or sometimes an "unknown". In x + 2 = 7, x is a variable, but we can work out its value if we try!
Step-by-step explanation:
Answer:
46
Step-by-step explanation:
Well $1o each than 10×4=40 and 40 +6=46
72 stickers if there are 90 in total subtract 18 and boom 72
Answer:
-1/11
Step-by-step explanation:
if this is one of the answer choices.