Answer:
x = 13
y = 18
you can check by putting into equatiin
Perimeter= add all sides.
Since this is a rectangle, we can assume two sides equal 3 and two equal 4. Therefore, 3+3+4+4= 14
Area=sidexside
Therefore, 3x4=12
Answer:
Option 2 is correct
Step-by-step explanation:
One number is 2 times another number plus 3. Their sum is 21.
"One number is 2 times another number plus 3" translated to
x = smaller number = another number
It is also given that: Their sum is 21.
Combine like terms:
3x+3 = 21
Answer:
Step-by-step explanation:
it's A, C , B