Answer:
-74
Step-by-step explanation:
First: 5-2=3
-9*3=-27
111÷3=37
Then do -27-37=-74
You find out how much money Sonja had before she paid by taking the $30 she had left and adding it to the $12.50 she paid. $30.00-$12.50 = $42.50
1/4+6-2/3
3/12+72/12-8/12
75/12-8/12
67/12
or
.25+6-.66
6.25-.66
5.59
Answer:
-40×20
= -40/20
= -2
Step-by-step explanation:
Answer:
steps below
Step-by-step explanation:
3 + 6b + 3b² = 3 (b² + 2b + 1) = 3 (b + 1)²
root: -1 if 3 + 6b + 3b² = 0 b = -1
