The triangle below is equilateral. Find the length of side x in simplest radical form with a rational denominator.

1234567891011 match the reasons with the statements in the proof. given: j | | k m 1 = m 3 prove: l | | m 1. j||k, m∠3 = m∠1 if lines are ||, then corresponding angles are =. 2. m∠1 = m∠2 if alternate interior angles are =, then lines are ||. 3. m∠2 = m∠3 substitution 4. l||m given

Ten times the square of a non-zero number is eqaul to ninety times the number

How do you write something in scientific notation?