Answer:

Step-by-step explanation:
<u>Parallelogram</u>
It's a quadrilateral formed by two pairs of parallel sides. The opposite sides have equal lengths.
We are given a parallelogram with opposite sides of 3x+1 and 6x-4. They must be equal, thus:
6x - 4 = 3x + 1
Subtracting 3x:
3x - 4 = 1
Adding 4:
3x = 5
Dividing by 3:

For the month he needs 5classes*10dollars= 50dollars
50dollars from classes +salary per month which is 50dollars=100dollars
Answer:
(1/2) cm = x
Step-by-step explanation:
This box has the shape of a cube. The formula for the volume of a cube is V = x^3, where x is the length of any one side of the cube.
Here the volume is (1/8) cm^3. We set this equal to x^3 and solve for x:
Taking the cube root of both sides, we get:
(1/2) cm = x