As a improper fraction, its 127/100
What do you need help with? it helps us to know the question!
Step-by-step explanation:
mC=36
mC+mD=90
36+mD=90
mD=54
Answer:

And we can use the cumulative distribution function given by:

And for this case we can write the probability like this:

And then the final answer for this case would be 
Step-by-step explanation:
For this case we define our random variable X "price of gasoline for a city in the USA" and we know the distribution is given by:

And for this case the density function is given by:

And we want to calculate the following probability:

And we can use the cumulative distribution function given by:

And for this case we can write the probability like this:

And then the final answer for this case would be 
Answer:
96 cm^2
Step-by-step explanation:
All faces of a cube are equal in area.
Therefore the Formula for SA of a cube is 6*s^2
SA = 6*4*4 = 96