Answer:
B
Step-by-step explanation:
3.8 = 3.800
3.8 - 2.355 = 1.445
10x-8y=20
4x+8y=36
14x=56
x=56/14
x=4
10(4)-8y=20
40-8y=20
-8y=20-40
-8y=-20
y=-20/-8
y=2.5
16 - 9 = x
i thonk :0
or 16 - 9 = 7