Step-by-step explanation:
We can create a ratio and solve.
We then isolate for x and get 9
c = -8 which means whenever you see a c replace it with -8
d = 2 means the same for 2
and cd means c times d
so
cd + d
is
(-8)(2) + (2) =
-16 + 2 = -14
Answer:
40 degrees : )