An insurance company insures a large number of drivers. Let X be the
random variable representing the company's losses under collision insurance,
and let Y represent the company's losses under liability insurance. X and Y
have joint density function
fXY (x; y) =
(2x +2 - y)/4 0 < x < 1; 0 < y < 2
0 otherwise
What is the probability that the total loss is at least 1 ?

The length of a rectangle plus its width is 25 cm. the area is 156 square cm. what are the length and width of the rectangle? separate the answers with a comma.

What are the solutions of the system? solve by graphing. y = x^2 + 3x + 2 y = 2x + 2

Francisco's credit card has an apr of 28.98%, calculated on the previous monthly balance. his credit card record for the last 7 months is shown in the table below francisco is trying to figure out what this all means. answer the following questions: what is the total amount that francisco has paid in interest over the 7 months? what is the total amount that francisco has made in payments over the 7 months? how much of francisco's payments have gone to paying down the principal on his account? what is francisco's new balance at the end of month 8? what will francisco be charged for interest for month 8?