Answer:
His score decreased by 9 percent this time.
Step-by-step explanation:
From his first history exam he had a score of 90 percent. The difference between his first score and present score is given by
90 - 81 = 9
Help with what? I need more information
Y= -4x + 6 (-10, 46), (-1.11, 10.44),
y= -5x -4. (-10, 46)
whereas (-10, 46) is the solution for both equations, it is the correct choice
