Answer: 4
Step-by-step explanation:
Perpendicular lines have reciprocal slopes
Answer:
201cm
Step-by-step explanation:
Answer:
-20 = 0
Step-by-step explanation:
-8 (6 + x) + 4 (2x + 7) = 0
-48 - 8x + 8x + 28 = 0
-20 = 0
Ten to the third power / 3/10th