Answer:75% ; 50%
Step-by-step explanation:
Answer:
A) 18
Step-by-step explanation:
Answer:
slope = -7/4
Step-by-step explanation:
Plug the points into this formula: 
Plug in

The simplest form is -7/4
Hope this helps ya! Keep smiling!
Answer:
y=3
Step-by-step explanation:
the other person is correct
Answer:
Let x be a random variable representing the length of a text messaging conversation, then
P(x > 3) = 1 - P(x < 3) = 1 - P(z < (3 - 2)/0.5) = 1 - P(z < 2) = 1 - 0.97725 = 0.02275