WILL GIVE BRAINLIEST Which expressions are difference of squares? Select all correct answers.

x2 + y2

x8 - 4

y2 - 25

x2 + 9

(the numbers next to the x's are exponents, i dont know how to write them on here)​

The area of a rectangle is 10 cm^2. one side of the rectangle is x cm. express the perimeter of the rectangle in terms of x and show that this rectangle cannot have a perimeter of 12 cm. the perimeter of the rectangle in terms of x is __ cm

(60 points) explain this in detail

Jimmy can run 3.5 miles in 20 minutes. how far can ne run in one hour and ten minutes?