x=54°
Answer:
x+126=180 supplementary
x=180-126
x=54
13 minutesStep-by-step explanation:
You sleep 1/3 of the day.
9
Step-by-step explanation:
-5×3+7×4-54÷9+2
-5×3+7×4-6+2
-15+28-6+2
-15-6+28+2
-21+30
