Answer:

Step-by-step explanation:
Using the Quotient rule:

We can subtract the exponents of x and y:

Therefore, 
Please mark my answers as the Brainliest if you find this explanation helpful :)
Answer:
3:5
Step-by-step explanation:
5a + 3b = 6b
5a=6b-3b
5a=3b
a/b= 3/5
a:b=3:5
Well it depends on what the model is but if it's an IRA or whatever so if you make your own model that's easy
Answer:
D.
Step-by-step explanation:
329/8=41.125 you divide by 8 because its equivalent to 8 smaller units.
Then: 41.125 x 724=approx. 30,000