Answer:
Option C. 10.5(12 + x) square feet
Option E. (126 + 10.5x) square feet
Step-by-step explanation:
step 1
Find the area of the original living room
we know that
The area of the original living room is equal to

we have

substitute

step 2
Find the new area of the living room
The length of the room is being expanded by x feet
so
we have

The new area is

The expanded form of the expression is
Apply distributive property

Answer: 5000cm
Step-by-step explanation: 25cm x 20cm x 10cm
hope this helps :)
Answer: -4
This is because -4 is closer to 0 on the number line, when compared to -5.
You are basically measuring the distances from 0 to determine magnitude.
A decimal
-------------------------------------------------
for example:
5.0
The 5 is on the ones place,the 0 is on the tenths place.The decimal seperates the ones and the tenths place.
------------------------------------------------------------------------------------------------------
~Hope this helped
Answer:
SAS
Step-by-step explanation:
SAS Postulate: "If two sets of corresponding sides on two triangles and there included angle are congruent, then the triangles are similar".
We see that line segments XY-ST and XZ-SR are congruent along with the included angles X and S. Therefore, we can justify that SAS fits the situation.
If this helped you, please consider giving a good rating, a thanks, and brainliest! It is greatly appreciated if you choose to do so! Thanks!