Answer:
5. -18x^3y^4 +54x^2y^4
6. 6x^2 -40x +50
Step-by-step explanation:
Use the distributive property. The factor outside parentheses multiplies each term inside parentheses.
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<h3>5.</h3>

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<h3>6.</h3>

Answer:
27 1/4
Step-by-step explanation:
C = 9/28 = 0.321
https://www.tiger-algebra.com/drill/3c-3/4=2c/3/
The answer in simplest form would be 1/6