How much does 4 7/5 kg of candy cost if 5/6 kg costs 7.50

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.

Solve the equation by completing the square. x^2+2x=17

Gabrielle's age is two times mikhail's age. the sum of their ages is 84. what is mikhail's age?