Alejandro has 64 cmeter cubes he uses them to build cubes with different side links how many different cubes can you make

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

X/y + 4y/x divided by x/y - 2y/x explain as in depth as you can how you simplfied the fractions. i don't know where to start on this : /

What function has a range {yly< 5}? question on picture above^