Answer:
Step-by-step explanation:
c
49/9=m/n this is because you multiply by the reciprocal of 3/7
Answer:
13. 5 minutes
Step-by-step explanation:
This is a simple proportion problem. Make two fractions where one item is always on the top and the other on the bottom.

Now, cross multiply (multiply the two numbers diagonal from each other and divide the diagonal with the x value)
576 x 3 = 1, 728
1, 728 / 128 = 13.5
Answer: 15
Step-by-step explanation: This is one of those square roots you'll memorize really quickly. You don't even have to simplify it, since it's an integer.
Answer:
A
Step-by-step explanation:
if you subtract 54 from 180 you would get 126