Question

311
31
If the variance of 5x +9,5x, +9.......5x, +9 is 225, then the standard deviation of
9x4 -5,9.x, - 5.......9x, -5 is​

Answer 1

Answer:

A chemical reaction is a process in which one or more substances, also called reactants, are converted to one or more different substances, known as products. Substances are either chemical elements or compound

• Mark me brainly answers