Answer:
The answer is D
y = 8
Step-by-step explanation:
sin(45 degrees) = √2/2
==> x = y = 8
28,32
x = 12.1
20 − (z + 7) = 0.9
Distribute the minus sign
20 -x -7 = .9
Combine like terms
13 -x = .9
Subtract 13 from each side
-x = -12.1