Answer:
The average number of trials required to get the first success
The y-in is -6
The x- in is -1 and -6
The vertex is (-3.5,-6.25)
The axis is -3.5
Answer:
<em>90 degrees</em>
<em>90 degreesPerpendicular lines are lines that intersect at a <u>right (90 degrees) angle.</u></em>
Answer:
here
Step-by-step explanation:
https://www.rcboe.org/cms/lib/GA01903614/Centricity/Domain/1351/21.2%20permutations%20and%20probability.pdf
