Answer: 12.9
Step-by-step explanation: When any number is in parenthesis, you multiply it by the other numbers/variables.
Answer:

Step-by-step explanation:
Based on the given conditions, formulate: 
Convert decimal to fraction:
Divide a fraction by multiplying its reciprocal:
Cross out the common factor: 
Calculate the product or quotient: 
get the result: 
Answer: 
The answer is 6 centimeters
No! it’s a trinomial, a polynomial consists of 4 or more terms :)
Answer:
Yes they can it would be a isosceles triangle.
Step-by-step explanation:
An isosceles triangle can have 1 side that is different from the other 2.