Answer:

Step-by-step explanation:
Square root of 9 is 3
20 is 4.472135955
27 is 5.19615242271
4.5 is intantly wrong because it is rational.
Because it's a positive number that can be gained by multiplying two smaller positive numbers.
There are 12 inches in a foot so if there is 60 inches and you want to find how many feet it make then divide the amount of inches by 12
Answer:
3.5x+7
Step-by-step explanation:
divide your coeeficients by 4
B. is the answer because they have 2 variables that you need to combine “combine like terms”