4.2.31 Richard and Teo have a combined age of 50. Richard is 14 years older than twice Teo's age. How old are Richard and Teo?

Write each expression in exponential form and find its value.| ! 2 x 2 x 2 x 2

Which statement is not always true for a parallelogram? (a) opposite sides are congruent. (b) diagonals bisect each other. (c) it has 4 congruent angles. (d) consecutive angles are supplementary.

1. evaluate 8x(2)y9(-2) for x=-1 and y=2 2. simplify the equation. -() 3. simplify the expression. [tex]\frac{5}{x(-2) y9(5)}[/tex]