What is the converse of the following statement?

plastic is a man- made product

a. if the object is man- made, it is plastic.
b. if the object is not man- made, it is not plastic.
c. if the object is not plastic, it is not man- made.
d. if the object is plastic, it is man- made.

Lance lived in portugal and brazil for a total of 14 months to learn portuguese. he learned an average of 130 new words per month when he lived in portugal, and an average of 150 new words per month when he lived in brazil. in total he learned 1920 new words. write a system of equations to represent the situation. use x to represent portugal, and y to represent brazil

Name each raycalculation tip: in ray "ab", a is the endpoint of the ray.

The weight v of an object on venus varies directly with its weight e on earth. a person weighing 120 lb on earth would weigh 106 lb on venus. how much would a person weighing 150 lb on earth weigh on venus?