2x=76 since oposite angles are equal
2x=76
divide 2
x=38
on line, angles add to 180
2x+y=180
76+y=180
minus 76 both sides
y=104
y=104
x=38
3rd option
Answer:
I dunno
Step-by-step explanation:
2x + 10 = 4x + 10
2x - 4x = 10 - 10
- 2x = 0
Answer:

Step-by-step explanation:
Substitute the values for a and c into the expression
- 2c + a
= - 2×
+ 
= -
+ 
= -
+ 
= -
+ 
= 
A cube is a solid box whose every surface is a square of same area.
Take an empty box with open top in the shape of a cube whose each edge is 2 cm. Now fit cubes of edges 1 cm in it. From the figure it is clear that 8 such cubes will fit in it. So the volume of the box will be equal to the volume of 8 unit cubes together.