1:4 , car a covers one mile, while car b covers 4 miles.
(3x + 7y)(3x - 7y) Hope this helps
Answer:
Problem:
Answer:
Step-by-step explanation:
Writing as one fraction:
Now before we continue, notice both of your bottom and top are in the form of (a-b)(a+b) or (a+b)(a-b) which is the same format.
That is, we are multiplying conjugates on top and bottom.
When multiplying conjugates, all you have to do it first and last.
For example:
.
So your problem becomes this after the multiplication of conjugates: