What some expression that equivalent to 24-(-6)

Empty box + box + empty box fill in the box is equal to 30 how

Write a function for a rotation 90 degrees counter clockwise about the origin, point 0

Me! i will mark brainliest! i don't get polynomials and all that other stuff. so this question is really hard. multiply and simplify.(x - 4) (x^2 – 5x – 6)show your