Plz help me ASAP it’s important

Part a: sam rented a boat at $225 for 2 days. if he rents the same boat for 5 days, he has to pay a total rent of $480. write an equation in the standard form to represent the total rent (y) that sam has to pay for renting the boat for x days. (4 points)

Lines a and b are parallel. what is the value of x? -5 -10 -35 -55

The sum of the squares of two numbers is 8 . the product of the two numbers is 4. find the numbers.