
Negative multiply negative = Positive
Negative multiply positive = negative

Thus the answer is -4a + 16b - 12c - 12d.
Answer:
x > −1
Step-by-step explanation:
A SCATTER PLOT IS JUST A DOT PLOT
31-21=15
Answer: 15m
Answer check: 36+15=51✅
320 pounds of algea. After 4 hours, it would be 80, After 8 hours, 160. After 12 hours, 320