Answer:
8ac+3b-7a
Step-by-step explanation:
2ac+6ac+4b-b-7a=
62 because it's 62.465 and The nearest 10th will be 62
7 as
a percentage of 20 just means what percentage of 20 is 7. To do this, we must
divide 7 by 20. This is how you answer this. If you do so, then you will get
0.35. This shows that it is 35%. Note that when you get a decimal number, then
you must multiply it by 100% to get the percentage equivalent of that number.
Therefore, 7 as a percentage of 20 is 35%.
Answer:
3n^2(n−7)^2
Hope this helps you a lot!!!! Also sorry I dont have work its hard to explain on a computer.