6x + 9 < 63
Subtract 9 from both sides.
6x < 54
Divide 6 by both sides.
x < 9
Answer:
0
Step-by-step explanation:
9-9=0
-9 is basically symbolizing subtraction
Answer: -0.25 and 5
Step-by-step explanation:
Khan
2120/100=21.2
21.2x13=275.6
Therefore there are 275.6 acres remaining of pine trees.