A triangle has interior angle measures of u–24°, 2u–37°, and 2u–34°. What is the value of u? u = °

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.

Interpret the following expression (5y^2-7)^3/(2y)^2

Asalesperson has january sales of $20,000(1,$20,000) and april sales of $80,000 (4,$80,000). what is the rate of change?