$${\mathtt{9}}{\mathtt{\,\small\textbf+\,}}{\mathtt{10}} = {\mathtt{19}}$$
The equation y=-(x+6)2+13 is given in vertex form, y=a(x−h)2+k.
So the vertex is ( - 6, 13 ) since h=−6 and k=13.
Since a is negative, the function opens downward and would therefore have a maximum . The maximum value is 13.
thank u
the answer to pie is 3.14
3.14 is the anser to pie
$${\frac{{\mathtt{11}}}{{\mathtt{4}}}} = {\mathtt{2.75}}$$
$${\mathtt{1}}{\mathtt{\,\small\textbf+\,}}{\mathtt{1}} = {\mathtt{2}}$$
$${\frac{{\mathtt{17}}}{{\mathtt{7}}}} = {\mathtt{2.428\: \!571\: \!428\: \!571\: \!428\: \!6}}$$
$${\mathtt{1}}{\mathtt{\,\small\textbf+\,}}{\mathtt{2}} = {\mathtt{3}}$$
+961 
