The number of permutations of the 4 different letters, taken two at a time, is given by:
Answer:

Step-by-step explanation:

<em>Hope</em><em> </em><em>this</em><em> </em><em>helps</em><em> </em><em>you</em><em>.</em>
<em>Can</em><em> </em><em>I</em><em> </em><em>have</em><em> </em><em>the</em><em> </em><em>brainliest</em><em> </em><em>please</em><em>?</em>
Answer:
A. 11c
Step-by-step explanation:
11 is the coefficient, c is the variable
Answer:
Melissa needs to drive 325 miles for the two plans to cost the same
Step-by-step explanation:
<u>Plan A</u>
Initial Fee = 65
Additional cost per mile = 0.50 per mile
<u>Plan B</u>
Initial Fee = 0
Additional cost per mile = 0.70 per mile
Required
Mile both plans will cost the same
Let


So, we have:

For plan A


For plan B


So, we have:
--- plan A
--- plan B
Both plans will cost the same when




Divide by 0.20

Answer:
12x-1
Step-by-step explanation:
First, you would have to distribute. Would mean to multiply the 4 with every number in the parenthesis.
4(3x+2)-9
12x+8-9
Now combine like terms
8-9 = -1
The answer is 12x-1