What do you need help on exactly?
143o
interior angles of a triangle always add up to 180o
Answer:
701-36-458+97-116-205+876-46+632+78+338+270-
174-18-533+901-499475-91-306+53+687-68+259-665+
51-971-239-823+76+333+48+129-826+14+531-77+16+713
148+23-674-388+19+144-987-33+625-448+69+68+299-57 92+486+47-862+89+541+27+620-691+728-63-89+234-39
55+176-505+864+59-238-32+581+47-653+382-91+27+
751+53-982+39+567-992+137+62-438+861+99-
444-705-28-128+692+43-365+207-14Iron filings are small shavings of a ferromagnetic material. Ferromagnetic (for the purposes of this page, at least) means that they will align themselves with a magnetic field. That being the case, iron filings are an excellent way to display the magnetic field of one or multiple bar magnets.
Step-by-step explanation:
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52 I think , because 6 1/2 x 8 is 52
The factors of 117 are: 1, 3, 9, 13, 39, and 117
The factors of 99 are: 1, 3, 9, 11, 33, and 99
The factors of 126 are: 1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, and 126
The greatest common factors of 117, 99, and 126 are: 1, 3, and 9. And according to your answer choices your answer is C. 9
