Answer:
second term: 9
4th term:81
=729
3rd term=27
a1=3 the first term
q=3
Wait
Step-by-step explanation:
3
divide the top number by the bottom to always find the constant of proportionality :D
=−15a2c7−12a3c4+24a2c4
no it is not now I am just putting random words
-4
-36v+42=186
-36v=144
v=-4