Answer: C. Their slopes are negative reciprocals
Step-by-step explanation:
The slopes of two perpendicular lines are negative reciprocals of each other.
Answer:
2
Step-by-step explanation:
just guessed
2.7 = 27/10
27/10 = x/12
cross multiply
10x = 324
divide both sides by 10
x = 32.4
180, because 9 and 20 don’t have any common multiple (both numbers couldn’t be simplified)