Half life can be used to solve for the amount (A) of a substance left after t time by using the following equation: A = Ao .(1/2) ^ t/h
If the half life of a substance is 4 weeks, how long will it take for 400 mg of this substance to decay to 25 mg?
Select one:
O A 16 weeks
O B. 6 weeks
O C. 8 weeks
O D. 13 weeks

Solve the following inequalities and show the solution on a number line. 2x+3< 3(4x+5)

Questions 7-8. use the following table to answer. year 2006 2007 2008 2009 2010 2011 2012 2013 cpi 201.6 207.342 215.303 214.537 218.056 224.939 229.594 232.957 7. suppose you bought a house in 2006 for $120,000. use the table above to calculate the 2013 value adjusted for inflation. (round to the nearest whole number) 8. suppose you bought a house in 2013 for $90,000. use the table above to calculate the 2006 value adjusted for inflation. (round to the nearest whole number)

The volume, v, of a rectangular prism is determined using the formula, where / is the length, w is the width, and his theheight of the prism. carltren solves for w and writes the equivalent equation w=using this formula, what is the width of a rectangular prism that has a volume of 138.24 cubic inches, a height of 9.6 inches,and a length of 3.2 inches?