Need answers asap
in the figure shown, which pair of angles must be complementary?


∠aoc
and
∠dob


∠aoc
and
∠cod


∠cob
and
∠aoc

∠cod
and
∠dob

Acompound inequality is graphed, and its graph consists of all real numbers. which open scentence could have resulted in this solution set r> 3 or r< -2. r< 3 or r< -2. r> 3 or r> -2. r< 3 or r> -2 plz asap