Pleas help me! What is this??

What is a postulate? List two basic geometric postulates.

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

I’ve been trying all day to figure this puzzle out. i need the work for it aswell. it is a factoring polynomials tarsia. the image is below.

What is the missing value in the proportion 4/5 = x/30