Iam at a state of confusion. i need an answer with a brief explanation.

To which set of numbers does the number –5 belong? select all that apply. integers natural numbers rational numbers real numbers whole numbers

Which statement is true about a number and its additive inverse? a. their product is always one. b. their sum is always one. c. they are always reciprocals of each other. d. their sum is always zero.

The distance between two points is 6.5cm and scale of map is 1: 1000 what's the distance between the two points