What is the recursive formula for this arithmetic sequence? -16, -7, 2, 11, ...
A.
(a = 11
2n-1-9
= -16
B.
= 8-1-9
= 11
C.
= an-1 +9
= -16
O D.
lan = an-1 +9

Pat listed all the numbers that have 15 as a multiple write the numbers in pats list

The median am of triangle ∆abc is half the length of the side towards which it is drawn, bc . prove that triangle ∆abc is a right triangle, and find angle mac and abm

Sandy is upgrading her internet service. fast internet charges $20 for installation and $52.45 per month. quick internet has free installation but charges $57.45 per month. part 1 out of 2 complete the equation that can be used to find the number of months after which the internet service would cost the same. use the variable x to represent the number of months of internet service purchased.