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Brrunno [24]
3 years ago
7

Which system of equations represents the matrix shown below?

Mathematics
1 answer:
Rudik [331]3 years ago
8 0

Answer:

its b.

Step-by-step explanation: 5n − 19 + n + 7 = 144 − 6n

6n − 12 = 144 − 6n

12n = 156

n = 13

m∠z = (144−6n)°

m∠z = (144−6×13)°

m∠z = 66°

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