Which property makes a rectangle a special type of parallelogram?

a. the opposite angles are congruent.
b. the diagonals are congruent.
c. the opposite sides are parallel.
d. the consecutive sides are congruent.

What are the measures of ∠a, ∠b, ∠c and ∠d? explain how to find each of the angle measure.

Match each statement with its corresponding value for the system below: y = -2(3)x and y = 9x - 2 1. the number of points of intersection. -2 2. the x-coordinate of the solution. 1 3. the y-coordinate of the solution. 0

Reflect the point (7,0) across the y-axis