Your science teacher hands you a small container filled with an unknown liquid substance. he asks you to measure the mass of the liquid. what lab equipment will you use and how will you calculate the mass of just the liquid? be sure to describe the process you would follow step-by-step.

Trumpeter a holds a b-flat note on the trumpet for a long time. person c is running towards the trumpeter at a constant velocity. person b is running away from the trumpeter at the same rate. person d is standing still the whole time. which person hears a frequency that is lower than the b-flat?

What is the length x of the side of the triangle below? (hint: use the cosine function)

This is really important 1.which of the following prefixes represents the largest value? (2 points)gigahectorkilomilli2.which of the following types of graphs is best for plotting the mean, median, and mode of data? (2 points)bar graphbox-and-whiskercircle graphstem-and-leaf