155% of what is 65.1 type an integer or decimal

Identify the converse of the following conditional: if a point is in the first quadrant, then its coordinates are positive. if the coordinates of a point are not positive, then the point is not in the first quadrant. if the coordinates of a point are positive, then the point is in the first quadrant. if a point is in the first quadrant, then its coordinates are positive. if a point is not in the first quadrant, then the coordinates of the point are not positive.

Find the roots of the polynomial function f(x) = x^3 + 2x^2 + x

Can somebody 1. what is the formula for finding the vertical distance between two points on a coordinate plane?