What is the m∠abc?

1)m∠abc = 60°
2)m∠abc = 67°
3)m∠abc = 120°
4)m∠abc = 127°

Four congruent circular holes with a diameter of 2 in. were punches out of a piece of paper. what is the area of the paper that is left ? use 3.14 for pi

Ab based on the given diagram, if m_1 = 60° then m 2 = 30 60 90 180

The price of a dozen eggs was $1.63. suppose the price increases m dollars per dozen and then the price decreases $0.12 per dozen. which expression represents the current price of eggs after the two price changes?