What is 4 7\8 written as an improper fraction

What are the values of m∠abc, m∠cbf, m∠abd and m∠dbe in the given figure? explain or show your work?

What is the value of x in the equation 6(x + 1) – 5x = 8 + 2(x – 1)?

Sara has 2 2/3 cup taco meat. she needs 1/6 cup to make one taco. how many tacos can sara make with the taco meat she has?