Answer:
a²+12a+18
Step-by-step explanation:
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The Answer is:
(5a2-3a+8)+(-4a2-1)+(15a+11)
1. 9 + k - 19
2. 6.7n
3. 37t - 9.85
5. 15 +
6. 7 - 3v
7.
8.
9. 8 - 9r
Day Inspector
7 H
12 F
14 H
21 H
24 F
28 H
35 H
36 F
42 H
48 F
49 H
56 H
60 F
63 H
70 H
72 F
77 H
84 H, F
- 5x - 1 = 2x + 6
- 7x = 7
7x = -7
x = -1