What is the measure of angle one ?

For each expression use a property to write an equivalent expression.

Solve each quadratic equation by factoring and using the zero product property. 10x + 6 = -2x^2 -2

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?