Solve.
-6<3n+9<21
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Multiply −2x(6x^4−7x^2+x−5) express the answer in standard form. enter your answer in the box.

Answer this question only if you know the answer! 30 points and

Draw a tape diagram to represent each situation.for some of the situations,you need to decide what to represent with a variable andre bakes 9 pans of brownies.he donates 7 pans to the school bake sale and keeps the rest to divide equally among his class of 30 students