X+4=11

I need the solution

Over which interval is the graph of f(x) = x2 + 5x + 6 increasing?

The function v(r)=4/3pir^3 can be used to find the volume of air inside a basketball given its radius. what does v(r) represent

Usan threw a softball 42 yards on her first try and 5112 yards on her second try. how much farther did she throw the softball on her second try than her first? express your answer in feet and inches. 9 ft 12 in. 28 ft 12 in. 28 ft 6 in.