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:
D
Step-by-step explanation:
Yes so i do need to doing the times and multipics then get a fraction then u will get tot eh answer
Answer:
0.6
Step-by-step explanation:
Answer:
Step-by-step explanation:
y=3x+3, y=6x-6
6x-6=3x+3
3x=9
x=3