Factor out the coefficient of the variable 3.4c + 10.2

Which number produces a rationale number when multiplied by 1/5

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.

Over the course of a month, a person's weight decreases. what type of relationship is this? a. positive relationship