An arc on a circle of radius 10 has an arc length of 49π over 9. what is the degree measure of the corresponding central angle?

Jonathan can throw a baseball 10 1/3 yards. his brother joey can throw a baseball 13 1/2 yards. how much father can joey throw the ball?

Acentral angle measuring 160 degrees intercepts an arc in a circle whose radius is 4. what is the length of the arc the circle formed by this central angle? round the length of the arc to the nearest hundredth of a unit. a) 4.19 units b) 6.28 units c) 12.57 units d) 12.57 square units

Felix wrote several equations and determined that only one of the equations has no solution. which of these equations has no solution?