What does a solution mean in a) 5% m / v, b) 2% m / m, c) 15% v / v?

What is important to study for nios grade 12 chemistry? i have only one month left.

From the options provided for each element below, choose the properties that it may have based on its location in the periodic table fluorine (f): highly reactive nonmetal shiny a conductor

Using the first volume and temperature reading on the table as v1 and t1, solve for the unknown values in the table below. remember to use the rules of significant figures when entering your numeric response.