Answer:
(2*n)+9=n-30
Step-by-step explanation:
I'm not sure but I think that is the equation
we know that
The unit rate is $0.65 per foot
so
To find out the cost, multiply the unit rate by the length of the rope
so
0.65*(10.8)=$7.02
therefore
<h2>The cost is $7.02</h2>
Answer:
b.
Step-by-step explanation:
The denominator will tell how many parts it takes to make a whole
Answer:
840
Step-by-step explanation:
Given


Required
Determine the number of rankings
The term "ranking" as used in this question implies permutation and the required is calculated using:

Where


So:






<em>Hence, number of ranking is 840</em>