Answer:
e
Step-by-step explanation:
e + e = E exponent to e
one e, two e, three e
ee ee, uu, ee
ee gang = e
periodt
See below ↓
19.
20.
2x - 20 + 7 = x - 1
2x - 13 = x-1
2x = x+12
x = 12
23- -8
This equals to 31. 31 degrees was the increase
the problaty of getting Gray tile is 6 time