Answer:
3
Step-by-step explanation:
Choose a variable to represent the number to be added to 5 and 3.

"Cross-multiply."

Check: The ratio of 5+3 to 3 + 3 is 8:6, equal to the ratio 4:3.
Answer:
b I do believe good luck with the answer
Answer:

Step-by-step explanation:
The volume of the pyramid is given by:

where
is the area of the base and
is the height.
We know that the height is:

Thus we need to find the area of the square at the base.
The perimeter of the square is:

this means that the length of the sides of the square is :

Now we can find the area of the base which the area of the square:

and finally we find the volume:


Which rounded to the nearest tenth of a cubic centimeter is: 
Answer:
i think the correct answer of these qusion is -2,3