Answer:
Step-by-step explanation:
-39+x+146=180
x+107=180
x=180-107=73
x=73°
2x3=6
2x4=8
3x4=12
12+12+8+8+6+6=52cm3
True
2. -4/3
5. 128/105
9. -5/6
should be B
The first one.
The first one. 7x² times 2x = 14x³
