Do what is in brackets first, then the multiplication.
Answer:
6r+7=13+7r
6r+7=7r+13
6r+7−7r=7r+13−7r
−r+7=13
−r+7−7=13−7
−r=6
= 
r=−6
Step-by-step explanation:
:) This is the answer
Answer:
D. 2x
Step-by-step explanation:
x · 1 + x/1
= x + x
= 2x
Answer:
inches.
Step-by-step explanation:
The level of a lake was 8 inches below normal.
Now, it is given that the water level decreases
inches in June and
inches more in July.
Therefore, the new level of water with respect to the normal level will be
= - 8 - 1.25 - 2.375
= - 9.625 inches
=
inches. (Answer)
First, you need to find the area of the room.
299×34=10166
Once you found the area of the room, you need to find the cose of the tile.
10166×11=111826
It will cost $111,826 to cover 10166 square feet.