which additional fact proves that δrst and δwxy are congruent if ∠r ≅ ∠w and rs ≅ wx.

∠r = 2x + 3
∠s = x + 10
∠t = 3x - 13
a) ∠x = x + 33
b) ∠y = x + 33
c) ∠x = 2x - 20
d) ∠y = 2x - 20

Choose the triangle with x equal to 17.

In what form is the following linear equation written y=9x+2

Fanny mendelssohn manages all the magazines and paperback books at a local grocery store. she prices many paperbacks to sell at $7.99. the cost to the store is $5.29. what is the markup rate on a paperback book, based on its cost?