Richard has already baked 12 pies and he bakes 1 pie with each additional cup of sugar he buys. how many additional cups of sugar does he need to bake 27pies

What statement is true? 2x^2-9x+2=-1

45 was divided by a power of ten to get 4.5. what power of ten was it divided by? people 4.5

The bolo cavern outside of vandalia is 421 ft below sea level. a little more than75 miles away. mt owens is 7295 feet above sea level. what is the difference in elevation between the bolo cavern and mt owens?