The half-life of a drug in the bloodstream is 4 hours. By what factor does the concentration of the drug decrease in 24 hour? In 36 hours?

The train station clock runs too fast and gains 5 minutes every 10 days. how many minutes and seconds will it have gained at the end of 9 days?

17 in long 1.3 ft wide and 8in high what is the volume

What are the values of a, b, and c in the quadratic equation 0 = x2 – 3x - 2? a = 1, b = 3, c = 2 a=, b = -3,c=-2 a = 1, b = 3, c= 2 a = 1.0= -3, c = 2