Answer:
2
Step-by-step explanation:
Answer: 6 1/2
uh.... Why??
6.2300, 6.2030, 6.1031, 6.1000
-a-13
-2 * (a+3)
-2a - 6 -7 + a
-2a+a = -a
-6-7= -13
-a - 13