Answer:
63
Step-by-step explanation:
There are 52.143 weeks in a year so 52.143/8.31=6.3
So 10 x 6.3= 63
Answer:

Step-by-step explanation:
The ratio will remain the same because all the sides will be equally increased. The angles will also remains the same.
Best Regards!
15/3. = 5
9/3. = 3
5/3 os the answer
Answer:

Step-by-step explanation:
For the surface area we need to add up all the areas in the pyramid:
- area of the triangle sides (there are 4 triangles)
Area of the base:
the base is a square, and the area of a square is given by:

where
is the length of the side:
, thus:

Area of the triangles:
one triangle has the area given by the formula:

where
is the base of the triangle: 
and
is the height of the triangle:
, thus we have the following:

the expression that represents the surface area of the pyramid is:

substituting our values:

which is option B
Answer:
why does my computer make me submit and anser when I have no idea what this is.
Step-by-step explanation: