15 POINTS TO WHO ANSWERS FIRST Use milligrams to prove that 1.989·10^27 kilograms is equal to 1.989·10^33 milligrams. Use kilograms to prove that 1.989·10^33 milligrams is equal to 1.989·10^27 kilograms.

Solve the system of equations. y= 2x y= x^2 - 15

Write each of the following numerals in base 10. for base twelve, t and e represent the face values ten and eleven, respectively. 114 base 5 89t base 12

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)