$\frac{dy}{dx}=\frac{3}{x+3};y\left(0\right)=3$

$\int_g^h\left(\sqrt{1+\left(4a^2x^2+4abx+b^2\right)}\right)dx$

$\left(\:m\:+\:3\:\right)\left(m\:-\:8\right)=\:$

$\frac{1}{1-\sin\left(x\right)}=\frac{2}{\cos^2\left(x\right)}$

$12x-3\ge42x+7$

$\int\:\:\frac{sec\:y\:tan\:y}{2+\:sec\:y\:}dy$

$4.2-5$