Please help Estimate the sum. 1.37+0.9 is between what?

What are the possible rational zeros of [tex]f(x) = x^4+2x^3-3x^2-4x+18[/tex]

Quadrilateral abcd in the figure below represents a scaled-down model of a walkway around a historic site. quadrilateral efgh represents the actual walkway. abcd is similar to efgh. what is the total length, in feet of the actual walkway?

Cody was 165cm tall on the first day of school this year, which was 10% taller than he was on the first day of school last year.