Use synthetic substitution to evaluate f(3) when f(x)x^3-x^2+3x-4

Aright triangle has an area of 18 square inches. b: if the triangle is not an isosceles triangle, what are all the possible lengths of the legs, if the lengths are whole numbers. answer !

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

What is the value of x in the following equation. -x ^3/2 = -27