Add 314.00 in 200.96 in? 113.04 in 78.50 in 63.59 in 38.47 in 28.26 in? 3.14 in 79 in:​

In the diagram of circle o, what is the measure of zabc?

In the diagram, a building cast a 35-ft shadow and a flagpole casts an 8-ft shadow. if the the flagpole is 18 ft tall, how tall is the building? round the the nearest tenth.

What are the greatest common factor of 75 and 30