Write about the history of Algebra. How did our knowledge of Algebra evolve? Who were some of the greatest mathematicians who contributed to this knowledge?

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.

The gdp is $1,465.2 billion. the population is 249,793,675. find the per capita gdp.

What is the approximate value of the correlation coefficient for the given graph? a. 1 b. 5 c. 3 d. -1