Kristina has a candy business. She makes a profit of $1.50 for every candy bar she sells. Which of the following represents the rate of
change of her profit with respect to the number of candy bars she
sells?

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