Answer:
40°
Step-by-step explanation:
Vertically opposite angles are equal.

I believe that the answer is A.

<h3><u>A</u><u>N</u><u>S</u><u>W</u><u>E</u><u>R</u><u>:</u></h3><h3>V = 1,800 cm</h3><h3><u>S</u><u>O</u><u>L</u><u>U</u><u>T</u><u>I</u><u>O</u><u>N</u><u>:</u></h3><h3>V = l × w × h</h3><h3>V = 18 × 10 × 10</h3><h3>

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Answer:

Step-by-step explanation:
7 is being multiplied by itself 3 times meaning it's to the power of 3 so the base is 7 while the exponent is 3.