What is the best approximation for the area of this circle? use 3.14 to approximate pi. 25.1 in² 50.2 in² 201.0 in² 803.8 in² circle with radius labeled 8 in.

If x=-3 is the only x-intercept of the graph of a quadratic equation, which statement best discribes the discriminant of the equation?

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.

If p(a) = 0.70 and p(b) = 0.20, then a and b are independent events if