Slope Digital Escape! Puzzle 4 and 5

You work for a lender that requires a 20% down payment and uses the standard depth to income ratio to determine a person‘s a little eligibility for a home loan of the following choose the person that you would rate the highest on their eligibility for a home loan

Which function is odd check all that apply a. y=sin x b. y=csc x c. y=cot x d. y=sec x

What number should be added to the expression x^2+3x+ in order to create a perfect square trinomial? 3/2 3 9/4 9