450m/s is 45000cm/s or is that what you're asking for or not?
I do Python,JavaScript,HTML, and CSS but I don't do C sorry :(
\binom makes a binom like this \(\binom xy\)
also try \begin{document} and \end{document}
I even saw some of his answers on his profile a few hours ago so he is back
He takes breaks sometimes and eventeully comes back so he is going to come back
In fact he just came back a few hours ago
He probably just went on vacation he's going to come back
He is still here but he is just taking a break
(9+6)*7/2 since 9 is base1 or US, 7 is base2 or QR, and 7 is the height or RT so the area=(9+6)*7/2=52.5.