When adding fractions you need to get common denominators then you multiply too times bottom and then boom add and there you go
No they are not equivalent and if you are trying to get a mixed number try dividing
Y+2=-4x+24
2=-4x-y+24
-22=-4x-y
Answer:
The area (probability) is: 0.6864.
Step-by-step explanation:
According to the statement, we are in front of a normal distribution with the following parameters:
µ (mean) = 0
σ (Standard deviation) = 1.
Then we need to find the area of the shaded region, which is the area between the points -1.21 < z < 0.84.
And the area (probability) is: 0.6864.
I think that it’s A) 2/5. I just multiplied the fractions with each other.