Answer:
A Variable
Step-by-step explanation:
Variables are used to mark an unknown value. Common math problems ask you to solve for it.
For example in 5x+23=45, 'x' is the variable.
A constant is a number without a variable.
<em>Brainilest Appreciated. </em>
Answer:
5,172 years
Step-by-step explanation: it the answer
Answer:
meq is the unit of measurement used to describe the effect of biological agents
