Answer:
B
Step-by-step explanation:
Interior angles of a triangle = 180°
3x°+3x+10°+4x-30°=180°
10x°-20°=180°
10x°=180°+20°
10x°= 200°
10x°/10=200°/10
x°=20°
Answer:
23 Girls
Step-by-step explanation:
23 plus 13 equals 36 and 23 is 10 more than 13.
Answer:
Step-by-step explanation:
Answer:
15
Step-by-step explanation:
10+(8-3)=15
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