The gradient/slopes of perpendicular lines are NEGATIVE reciprocal. This means that their product is -1.
The answer of 1+1 is 2 put 1 finger up and the other one and just put them together and you get 2
Answer:
There are 15 men in the dance recital.
Step-by-step explanation:
If 20 people is 4 parts, then 5 people are 1 part. Due to that, 15 people will equal 3 parts.
