Question

I think I got the first one
-3 + 1.2 = -1.8,
so if you could, please answer the other 3.

Answer 1

b. x = 6 . y = -2
c. y = -3 . xy = 24
d. x = 7 . y = -8

hope this helped

Answer 2

im pretty sure that's right! good luck