Answer: ez
Step-by-step explanation:
its b
Answer:
C 1/2
Add all the crayons together and then see how many red and black crayons there are. which in this case it's half. That is the probability
Let
be the number of hours worked at Job A and
the number of hours at Job B. Then

and

From the first equation,

and substituting this into the second gives



X+y=?
Would be the equation i am pretty sure