She received 12 calls from her son and 30 calls in total.
40% of 30 is 12.
The answer to this question will be D
(f/g)(x) = (x^2-25)/(x-5) = x+5. So domain will be R, all real numbers
Profit is the difference between revenue (sales) and expenses.
... profit = $1,222 - 2,345 = -$1,123
When profit is negative, it is called a <em>loss</em>.
The store lost $1,123 that month.
