What is the median of the following numbers 4, 16, 13, 18, 3, 20, 6, 7, 15, 2, 10, 12?
A. 7 B. 10 C. 11 D. 12​

Awater holding tank measures 105 m long, 50 m wide, and 8 m deep. traces of mercury have been found in the tank, with a concen- tration of 60 mg/l. what is the total mass of mercury in the tank? answer in units of kg.

These box plots show the number of electoral votes one by democratic and republican presidential candidates for the elections from 1984 through 2012. which statement best compares the spread of the data sets

Plz ( true - false) all triangles have interior angles whose measure sum to 90.