Answer:
D)
Step-by-step explanation:
Because
a) 10 = 2(5) = 10
b) 10 = 5 + 5 = 10
c) 10 = 15 -5 = 10
d) 10 = 5 - 5 = 0 the result is not equivalent
I believe its additive Inverse Property
Measure of x is 74 degrees
(9+8+2)/(4+9+8+2)=19/23=82%
Therefore very likely