Answer:
c
Step-by-step explanation:
Answer:
x
=
40
Step-by-step explanation:
The absolute value is always non-negative!
So the absolute value of 57 is 57 itself, as it's non-negative (i.e. it's positive or 0).
Opposite value is the number with a different sign: an opposite value of a positive number is negative, so here it will be -57 .
The correct answer is C.
If lines a and b are parallel, the two angles given would be the same.
2x - 5 = x + 20
x = 25

Rounding to nearest thousand gives 76,000 mg of chlorine