Which of the following is an arithmetic sequence?
a. 1,2,4,8,16,
b. 100,50,25,12.
c. 1,3,5,7,9 ,
d. 1,2,4,7,

Find the slope of the line below . enter your answer as a fraction or decimal. use a slash mark ( / ) as the fraction bar if necessary

Circle d circumscribes abc and abe. which statements about the triangles are true? statement i: the perpendicular bisectors of abc intersect at the same point as those of abe. statement ii: the distance from c to d is the same as the distance from d to e. statement iii: bisects cde. statement iv: the angle bisectors of abc intersect at the same point as those of abe. a. i only b. i and ii c. ii and iv d. i and iii e. iii and iv

What is the point of inflection for the function f(x)=2cos4x on the interval (0, pi/2)