Find a polynomial f(x) of degree three with real coefficients in the following zeros -4, -2+ I

What is the volume of this square pyramid?

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.

Jenisey has $24 to spend on seven pencils. after buying them she had $10. how much did each pencil cost.?