Answer:

Step-by-step explanation:

Multiply both sides of the equation by 99, the least common multiple of 9,39,3.
m + 6 =21
Subtract 6 from both sides.
m = 21 - 6
Subtract 6 from 21 to get 15.
m=15
Answer:
$408
Step-by-step explanation:
Find 3% of $13,600:
3 * 13,600 / 100 = $408
Consider this option (basic steps are marked).
Answer:
4 1/2
Step-by-step explanation:
The third one: No, yes, no