I think you meant a+5(b)+c the answer is b is a unknown value
Answer: Choice B) -4
The lower quartile, also known as Q1 or the first quartile, is the left edge of the box. In this case, that is at -4. We can drop a vertical line from the left edge of the box until we hit -4 on the number line.
Side Note: 25% of the data values are below Q1, while 75% of the data values are above Q1
1) X=159
2) BCD=103
3) DCH=89
im pretty sure
Step-by-step explanation:
x = 112°
y = z = 180° - 112° = 68°