Subtract 8 + 7i from 4 − 16i. -4 − 23i 4 − 23i 4 + 9i 4 − 11i

Which of the following transformations does not preserve congruence? * 5 points a. (x, y) → (y − 3, x − 3) b. (x, y) → (x + 5, y − 1) c. (x, y) → (y + 9, −x + 2) d. (x, y) → (3x + 1, 3y − 2)

Two variables, x and y, vary inversely, and x=12 when y=4. what is the value of y when x=3?

Which steps could be part of the process in algebraically solving the system of equations, y+5x=x^2+10 and y=4x-10