4/15, 5/9 and 3/5.
Hope this helps! :)
Answer: 
Step-by-step explanation:

Answer:
base of 3 --> 3^4 (three to the fourth); base of 9 --> 9^2 (nine squared)
Step-by-step explanation:
<u>3 x 3</u> = 9 x <u>3</u> = 27 x <u>3</u> = 81 = 3^4
You multiply 3 by itself 4 times.
<u>9 x 9</u> = 81 = 9^2
You multiply 9 by itself 2 times.
Answer:
= -21x + 1
Step-by-step explanation:
It will take 30 minutes to walk 100 meters.