The answer is: " 9a² + 7a " .
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Note: (3a)² + 7a = (3a)*(3a) + 7a = 9a² + 7a .
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-- The two sides of a right <u>angle</u> intersect and make the angle.
So do the sides of any other angle. So they can't be parallel.
-- No two sides of a right <u>triangle</u> ... or any other triangle ...can be parallel.
Answer:
160
Step-by-step explanation:
had the question before
we have given an expression 
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we have given the value of x,y and m .
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we need to find the value of expression mx-y.
we need to plug the respective values and solve.
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7 is the value of expression mx-y.
