Benchmark 2B
The Nature of Mathematics: Mathematics, Science, and Technology
Grades 9-12, page 33

Mathematics provides a precise language for science and technology--to describe objects and events, to characterize relationships between variables, and to argue logically.

NSES Content Standard A 
Science as Inquiry: Understanding about scientific inquiry  
Grades 9-12, page 175  
Mathematics is essential in scientific inquiry. Mathematical tools and models guide and improve the posing of questions, gathering data, constructiong explanations and communicating results. 
See the general discussion in Unifying Concepts and Processes: Constancy, change, and measurement