In a triangle, the three interior angles always add to 180°
m∠B = 180 - 30 - 80 = 70°
<span>D: 70</span>
3x - 8 = 2x + 15
Add 8 to both sides
3x = 2x + 23
Subtract 2x from both sides
x = 23
Each child has a 50% chance to be a girl and 50%chance to be a boy so with 4 children the probability is
Answer:
3
Step-by-step explanation:
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