157 angle on a straight line
Answer:
35/79
Step-by-step explanation:
Assuming you can't choose the same song a second time, the probability is 35/79.
If you can choose the same song, the probability is 36/80, which reduces to 9/20.
Answer:
y = 2
Step-by-step explanation:
The maximum of this function is 5 and the min. is -1. Thus, the range is [-1, 5]. The midpoint of this range is the y-value of the midline:
-1 + 5
--------- = 2
2
Thus, the equation of the midline is y = 2.
20+20+24+24+30+30=148 square meters