If the first term in an arithmetic sequence is -3 and the tenth term is 15, what is the common difference? A. d = 2
B. d = 3
C. d = 6
D. d = 12

Point a is located at (0, 4), and point c is located at (−3, 5). find the x value for the point b that is located one fourth the distance from point a to point c. −0.25 −0.5 −0.75 −1

Ihave trouble finding the nth term of a linear sequence

Combine like terms to make a simpler expression 3z+z