Answer:

Step-by-step explanation:
Remember that the sides of a cube always have the same length.
In this case the length of the sides L is:
.
The cubes have 6 faces. Then the surface area of the cube is equal to the area of its 6 faces.
Since all sides of the cube have the same measure, then the area of each face is:

Then the area of the 6 faces is:



Answer:
35 sweets altogether
Step-by-step explanation:
20÷4=5
5*2=10
Answer:
Step-by-step explanation:
Let the numbers be x and y.
<u>We have:</u>
<u>Sum the two and find x:</u>
<u>Find y:</u>
More sour juices have a higher PH because of the acid level in them.
Answer:
18
Step-by-step explanation:
Adding the the two opposite integers will give zero