Answer:
-22
Step-by-step explanation:
<h3>Solution:</h3>
Using formula (a-b)^2 = a^2-2ab+b^2

<h3>Answer:</h3>
k = 9
An = a1+d*(n-1)
a11 = 75-8*(11-1) = -5
Answer:
B.
<h3>step by step explanation</h3>
I hope it's help
Answer:
$679.4
Step-by-step explanation:
commision: $249.4
earnings: $430
$249.4 + $430 = $679.4