Answer:
A and c
Step-by-step explanation:
If im correct A and C is the answer because A and C represent the vertical angles :)
4b + 7 + b
5b + 7 is the simplest version.
a) 0.46
b) (2341.39, 3230.61)
c) For those Russians who do smoke, estimate the number of cigarettes smoked per day.= 23
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