The length of a rectangle is 5 more than the side of a square, and the width of the rectangle is 5 less than the side of square. If the area of the square is 45, what is the area of the rectangle ?
Let A be the set of primes less than 6, and B be the set of positive odd numbers less then 6. How many different sums of the form a a + b are possible, if a is in a and b is in B?