Can something negative be rational?

Xto the second power plus 14x plus 48. what are the factors? we are doing factoring trinomials with a=1

Find and simplify an expression for the area of five rows of x squares with side lengths of x centimeters.

The number of branches on a tree demonstrates the fibonacci sequence. how many branches would there be on the next two levels of this tree? 13 | | | m branches