What is the result of isolating y^2 in the equation below? (x + 4)2 + y^2 = 22

You invested $5000 between two accounts paying 4% and 9% annual interest, respectively. if the total interest earned for theyear was $350, how much was invested at each rate? $was invested at 4% andwas invested at 9%.

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

You're locked out of your house. the only open window is on the second floor, 25 feet above the ground. there are bushes along the edge of the house, so you will need to place the ladder 10 feet from the house. what length ladder do you need to reach the window?