On a number line what number is two thirds of the distance from 1/2 to 2.25?

Is the product of two rational numbers irrational or rational? first, make a hypothesis by multiplying two rational numbers. then, use variables such as x=a/b and y=c/d and the closure property of integers to prove your hypothesis.

Which geometric principle is used to justify the construction below?

Which choice has the correct steps in graphing the solution set to the following inequality? -45_> 20x-5y