The 90th percentile corresponds to Z ≈ 1.28155.
Answer:(6,-2)
Step-by-step explanation:
M is the midpoint of AB then ,
M = 
, 
, 
, 
so, B= (6,-2)
Answer:
1. 2/5
Step-by-step explanation:
When it says the ratio is 5 to 2, that means 5 is always first:
5 : 2 is correct
5/2 is correct
10 : 4 is correct (multiplied 2 on both sides)
2/5 is incorrect because 2 is first. That means that this ratio would be 2 to 5, not 5 to 2.