Which of the following illustrates how to find the difference of 4h^5k and -7hk^5 (4-7) h^5k
Not possible
(4+7) h^5 k^5
(4+7) h^5-1 k^1-5

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