Answer:

Step-by-step explanation:
The figure is a cube
The surface area of a cube is equal to

where
b is the length side of the cube
In this problem we have
substitute

C) Round 1 scores were higher than round 2
Mark with crown please!
Answer:
I'm so sorry I can't help haven't learned how to do that yet
Answer:
The quotient is: x-7
and remainder is : -300
Step-by-step explanation:
We need to divide
by 
First arrange the term
in terms of ascending order of x.
Arranging we get:
\ 
The division steps are shown in figure attached.
The quotient is: x-7
and remainder is : -300