Answer:
All real numbers except x=-7
Step-by-step explanation:
Since is a discontinuity in the rational function, this makes the denominator equal to 0.
27,36,45 all are numbers bigger than 20
+4
The oxidation number of C must be +4, to make the oxidation number of the ion the same as its charge.
2 times 10 equals 20
208 divided by 20 equals 10.4
The last one is $10.50 but idk the rest of the questions