If the measure of arc xy plus the measure of arc yzx equals 360 degrees and the arcs do not overlap then the arcs form what?

What is the volume of the sphere shown below with a radius of 3?

Solve with work both bert and ernie received an increase in their weekly salaries. bert's salary increased from $520 to $520. ernie's salary went from $580 to $645. find the percent of increase for each salary. what was the larger of the two percents ?

Which number produces a rationale number when multiplied by 1/5