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what is the value of m∠a + m∠b ?

a) 34°

b) 56°

c) 90°

d) 180°

In the diagram below? p is circumscribed about quadrilateral abcd. what is the value of x

The price of a visit to the dentist is calculated according to the formula 50+100n50+100n where nn is the number of cavities the dentist finds. on your last visit to the dentist, 22 cavities were found. what was the cost of your visit?

Which of the following circles have their centers in the third quadrant? check all that apply.