8x+1=x-6
7x+1=-6
7x=-7
X=-1
Y=x
Y=-1
The correct answer is A :)
You put the whole number on top of 1, it doesnt change its value. then you simplify across like in a butterfly only if needed then you multiply across from left to right.
Answer:
--- You
--- Another student
Reason: Because there is a variation in the given dimensions
Step-by-step explanation:
Given
Your measurement

Another students'

Solving (a): The area
Area is calculated as:

For you


For the other student


Solving (b): Reason for the variation in the areas
The given measurements are estimates of the dimensions of the rectangle.
Since there is a variation in the estimates, there will be some level of variation in the calculated area.