how many perfect squares less than 1000 are divisible by 8. Will pick brainliest if possible

The vertices of a rectangle are given in the columns of the matrix . if is found to perform a transformation, what are the coordinates of the transformed rectangle? (0, 0), (0, –3), (–3, –3), (–3, 0) (0, 0), (0, 3), (3, 3), (3, 0) (0, 0), (0, 3), (–3, –3), (–3, 0) (0, 0), (0, 3), (–3, 3), (–3, 0)

Solve the system of equations. y= 2x y= x^2 - 15

The ph level of a blueberry is 3.1 what is the hydrogen-ion concentration [h+] for the blueberry