Give the domain and range.
A relation. An arrow goes from negative 2 to 4, from 0 to 6, from 2 to 8.
a. domain: {–2, 0, 2}, range: {4, 6, 8}
b. domain: {0, 2}, range: {6, 8}
c. domain: {4, 6, 8}, range: {–2, 0, 2}
d. domain: { 6, 8}, range: {0, 2}

In the first triangle 80+20+p=180 (since sum of all angles of a triangle is 180)so p= 80also in second triangle 55+45+q=180 (since sum of all angles of a triangle is 180)so q=80so we can conclude that p=80 degrees q=80 degrees so p=q=80 degreeshence option b is correct

The answer is the third choice

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