Answer:
Well, this could turn out to be a simple permutation problem: you have ten number choices (0-9) for each digit of a phone number and repetitions are allowed. Technically, there could be as many as \begin{align*}10^{10} = 10,000,000,000\end{align*}, or 10 billion possible phone numbers.
Step-by-step explanation:
:D
"...you throw a triangle out the window..." LMAOOO I laughed so hard
8+6 = 14 hope this helped
Answer:
Look at the picture
Step-by-step explanation:
The answer is B. -9
