Answer:
B. 10
Step-by-step explanation:
These are vertical angles meaning they are also equal.

The coordinates of C' are 3 times those of C.
3×(2, -1) = (6, -3)
The appropriate selection is ...
(6, -3) . . . . . . . . . the 4th one
Answer:
40%
Step-by-step explanation:
1.50 - 0.90 = 0.60
0.60 cents are saved.

0.4 = 40%
hope this helps :)
7. y = 1, AB = 1, BD = 10 and AD = 11
8. x = 5, AB = 20 and BC = 20
9. x= 5 and AB = 33
10. No, because AC = 12.5 while AB + BC = 20 (they should equal the same and they don't.)