Answer: 4:5
Explanation:
Steve earns 8 dollars an hour. His brother earns 10 dollars an hour.
The ratio is Steve:Brother, which is 8:10.
This can be treated the same was as a fraction and simplified, dividing both sides by 2, which becomes 4:5
3a =18
3a/3 = 18/3
a = 18/3
a = 6
Hope this helps
Answer:

Step-by-step explanation:
From law of indices
Answer:
45.05
Step-by-step explanation:
The answer is 45.05 because I multiplied ( b and a) 8.5x5.3 and then I got 45.05.
For question between 13 -> 17 replace n with the number.
Example:
13.) n = 2; 2+(-1) = 1