A circle has a circumference of 28 centimeters. If an arc subtends a central angle of 55 degrees, what is the arc length? *
A. 8.56
B. 4.28
C. 53.76
D. 26.88

Determine the number of outcomes in the event. decide whether the event is a simple event or not. upper a computer is used to select randomly a number between 1 and 9 comma inclusive. event upper b is selecting a number greater than 4. event upper b has nothing outcome(s). is the event a simple event? (yes or no) because event upper b has (fewer than, exactly, more than) one outcome.

Find the solution of this system of equation -7x+y=-20 9x-3y=36

Anna is constructing a line segment that is congruent to another segment ab. for the construction, which tool should be used to mesure segment ab