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Answer:</h2><h2>
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Explanation:</h2>
Step 1. Write 
in the form 
Step 2. Add and subtract 
to the left side of the equation
Step 3. Complete square
Answer:
9x^6y^9
Step-by-step explanation:
you multiply the term outside the bracket with each of the terms inside the bracket
eg.3×3x=9x
3×2y=6y
3×3=9
if there are like terms use the law of exponent to simplify it even further
Answer:
126 inches
Step-by-step explanation:
To express the total length of ribbon convert the three lengths into the same measurement of inches.
Carol has 42 inches.
Tina has 2.5 feet which is equal to 24+6=30 inches.
Baxter has 1.5 yards which is equal to 36+18 =54 inches.
This means in total there is 42 + 30 + 54= 126 inches
