Which additional fact proves that δrst and δwxy are congruent if ∠t ≅ ∠y and rt ≅ wy.

∠w = x + 2
∠x = x - 6
∠y = 2x + 4

What is the difference between regular convex and concave polygons

The distance of a chord from the centre of a circle is 12cm and the lenght of the chord is 10cm. find the radius of the circle

Campus rentals rents 2 and 3 bedrooms apartments for $700 ans $900 a month respectively. last month they had six vacant apartments and reported $4600 in lost rent. how many of each type of apartment were vacant?