Step-by-step explanation:
y + 3 = - (x + 3)
y + 3 = -x - 3
y = -x - 6
Answer:
first one : (7+12+3+4+4+8)*2=76
That would be a variable, x being one of the most commonly used variables to represent unknown numbers.
Answer:
120
Step-by-step explanation:
The area of a rectangle is its width multiplied by its length, which in this case is 12*10=120.
The continuous line forming the boundary of a closed geometric figure.