Cosine is positive in Quadrant IV.
Answer: n=ln(29648323021629440)
--------------------------------------------
ln(9)
Decimal form: n=17.26185950…
Answer: 4,560 feet
Step-by-step explanation: because 60 seconds in a minute so 72× 60 = 4,560
The pairs of goldfish Tasha can buy for $20 are

Step-by-step explanation:
To find the how many type of goldfish that Tasha can buy for $20 is the set of positive ordered pairs.
Let x denote the number of fancy goldfish.
Let y denote the number of common goldfish.
To find how much goldfish can Tasha buy for $20 is to substitute the value for x in the equation 
Now, substituting
in
, we get,

The ordered pair is 
Similarly, substituting
,

For
,

For
,

For
,

For
,

For
,

Thus, the pairs of goldfish Tasha can buy for $20 are 

We will use the distributive property. -4 times 9z=-36z -4 times -2=8 so we have -36z+8 as our answer