Question

pre-calc. help!!
Picture attached!

Answer 1

@UnkleRhaukus @cwrw238

Answer 2

@ajprincess @amistre64 @.Sam.

Answer 3

just add em up

Answer 4

or use the add em up formula for a geo seq

Answer 5

\[a_1\frac{1-r^n}{1-r}\]

Answer 6

oh 31/16!

Answer 7

or the common denomenator is 16 try to work on it it took 1 minutes

Answer 8

could i ask you to help me with one more @badi

Answer 9

only two of the options have the first term right