Just divide the arc the inscribe angle forms by 2. So 100/2 = 50 = a, and b is 55.
5x+12z Because you take, 3z+9z and that is equivalent to 12z. and then you put the 5x back into the equation so it is 5x+12z
8 + 13 + 14 + 7 = 42
Chinese = 8/42
Simplified = 4/21
Expression for 73•7-5?
Answer is 506
