North park has x+48 spaces
central park has 4x
south +central >2×north
x+4x>2 (x+48)
5x>2x+96
3x>96
x>32
the least number would be 33
Answer: 
Step-by-step explanation:
Let
represents the standard deviation .
Given : Last year, the standard deviation of the ages of the students at UA was 1.8 years.
The researcher are interested in testing to see if there has been a significant change in the standard deviation of the ages of the students at UA.
We know that the null hypothesis always contains the equal signs, then the null and alternative hypothesis is given by :-

Answer:
Should be B
Step-by-step explanation:
I believe you just move the point that lines converge down 8 and to the right 3. Then you multiply the x-value by -1.