Answer:
Valerie has $2 and then earns $1 per week (where x is the number of weeks) in allowance, for a total of y dollars.
Step-by-step explanation:
I can't see the whole question
Answer:
Step-by-step explanation:
2 plus t
a. The marginal densities

and

b. This can be obtained by integrating the joint density over [0.25, 1] x [0.5, 1]:
