Create values for a and b so that ab is negative and a−b is positive.

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.

Which statement describes surface features called maria on the moon

Ten times the square of a non-zero number is eqaul to ninety times the number