Answer: 11x - 8y = -9
Step-by-step explanation:
Subtract it by terms.
8x - (-3x) = 11x
-4y - (4y) = -8y
-4-5= -9
order it
11x - 8y =-9
That variable from the number of black marble divide by all marble.
5/4+7+5 = 0.3125
322/340=0.805
rounded to a percentage would be 81%
Answer:
yess that is correct
Step-by-step explanation:
18<27
Answer:
The half-life of the radioactive substance is 135.9 hours.
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