Writee the equation of a parabola with focus of (1,-2) and vertex at (9,-2).

Determine whether the set of whole numbers is closed under addition. explain why the set is or is not closed. give an example.

Simplify (1/2)4th power a. (1/16) b.(1/8) c.(1/4)

What is the next step in the given proof? choose the most logical approach. a. statement: m 1 + m 2 + 2(m 3) = 180° reason: angle addition b. statement: m 1 + m 3 = m 2 + m 3 reason: transitive property of equality c. statement: m 1 = m 2 reason: subtraction property of equality d. statement: m 1 + m 2 = m 2 + m 3 reason: substitution property of equality e. statement: 2(m 1) = m 2 + m 3 reason: substitution property of equality