You're probably supposed to find the value of p and not x, which is impossible to do.
Expanding gives

We're told that

which we can use to solve for p:



Answer:
sqrt(37)
Step-by-step explanation:
Answer:
$66.70 for 10 sets
Step-by-step explanation:
Multiply the cost of 1 set by the number of sets wanted
$6.67 * 10
66.70 for 10 sets