Question

rational and irrational numbers all answeres as sums ​

Answer 1

Answer:

A positive cross elasticity of demand means that the demand for good A will increase as the price of good B goes up. This means that goods A and B are good substitutes, so that if B gets more expensive, people are happy to switch to A. An example would be the price of milk.

Answer 2

Answer:

The sum of a rational number and an irrational number is irrational. Always true. The sum of an irrational number and an irrational number is irrational.