Acentral angle measuring 160 degrees intercepts an arc in a circle whose radius is 4. what is length of the arc of the circle formed by this central angel? round the length of the arc to the nearest hundredth of unit. a. 4.19 units b. 6.28 units c. 12.57 units d. 12.75 square units

11. minitab software was used to find the lsrl for a study between x=age and y=days after arthroscopic shoulder surgery until an athlete could return to their sport. use the output to determine the prediction model and correlation between these two variables. predictor coef se coef t p constant -5.054 4.355 -1.16 0.279 age 0.2715 0.1427 1.9 0.094 r-sq = 31.16%

Plot the intercepts to graph the equation

Aclassroom is made up of 11 boys and 14 girls. the teacher has four main classroom responsibilities that she wants to hand out to four different students (one for each of the four students). if the teacher chooses 4 of the students at random, then what is the probability that the four students chosen to complete the responsibilities will be all boys?