The square of the sum of a number and 11

In an improper fraction, is the numerator equal to, less than, or greater than the denominator

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

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?