49a. r=9 & r=3
49b. r=59048 & r=19683
49c. The first equation subtracts 1 from 3^n while the second equation subtracts 1 from the value of n.
49d. ***I forgot what an exponential function is, sorry...***
CANT FIGURE OUT 50. Hope I helped...
Answer: $75.14
Step-by-step explanation:
to find out how much luis is saving with the discount you do
79.99 * 0.12
and get around 9 ish dollars
after that you do sales tax and get $75.14 dollars hope this helped <3