Answer:
Step-by-step explanation:
2 + (-3) + 7 = 2 - 3 + 7 = 9 - 3 = 6 <==
a positive multiplied by a negative will be negative
Answer:
the 3rd one
Step-by-step explanation:
216
Step-by-step explanation:
36*6=216
use a calculation
Answer:
c 7
Step-by-step explanation:
5a^3 + 9a^2 +7a+4
The coefficient of a is the number in front of a