(n + 7)2 = n - 1
2n +14 = n - 1
2n - n +14 = n - n - 1
n + 14 -14 = -1 - 14
n = -15
(-15 + 7)2 = -15 - 1
(-8)2 = -16
-16 = -16
Answer:
1. $109.20 2. $46.80
Step-by-step explanation:
Doing the math, we find that 30% of 156 (138+18) is 46.80, which answers the second part of this problem. Plugging this value into the first part of the equation gives us what Stefan originally paid.
Good luck! Hope this helps!
I am writing answers directly.
<h3>1. 5×5=

</h3><h3>2. -5×-5×-5×-5 =

</h3><h3 /><h3>3. 2×2×2=

</h3><h3>4. n×n×n×n×n×n=

</h3>
Answer:
5.5....
Step-by-step explanation: