its the first option.
tiles of X and tiles of 1 are different
3 tiles of "X" = 3X
3 tiles of " 1 " = 3
option 3 does not mean 3X, it just means 3X + 3
Answer:
1. 7x
2. 8x - 1
3. 6x + 12
4. 3x + 4
5. 13x - 7
Step-by-Step Explanation:
Hope this helps!
Answer:
67.15
Step-by-step explanation:
subtract 15 percent of 79 from 79
That means legthn+lgnth +width+width
that is the perimeter formula for a rectangle or the measure around a rectangle
it can be written as (l-legnth)
perimiter=2l+2w or
p=2l+2w or
p=2(l+w)
