The answer to the first part is (4,1).
The answer to the second part is (11,2).
A) interquartile range
The difference between the upper and the lower quartile is a measure of spread known as the interquartile range.
multiplication , addition, subtraction, division
-5n + 8 = -7
-5n + 8 - 8 = -7 -8
-5n = -15
-5n/-5 = -15/-5
n = 3
Answer: C
The formula for tangent is tan(x)= opposite/ adjacent so plugging it in would be tan(x)=9/4
