Answer:
90 m
Step-by-step explanation:
The piece on the right side fits perfectly in the left side so you can move the triangle to the left in order to make a square. After that, you can do 10 times 9 because 5+4=9 to get 90m as the area.
Answer:
B
Step-by-step explanation:
38r3the answer is please give me the brainelist, and thanks
Answer:
x^3+3x^2+9x+27
Step-by-step explanation:

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The factoring of the difference of squares is used (twice):
a² -b² = (a -b)(a +b)