He tells the government his opinion and then multiple army tanks come and blast him, bad ending.
2x-7y=-6 but x = 5y , so
2(5y) - 7y = -6
Answer:
(pi) is irrational ...........
Questions:
(a) What is a simplified expression for (x + y) – (x – y)?
(b) Carlotta thinks that
is the same as
. Which statement shows that it is NOT the same?
Answer:


Step-by-step explanation:
Solving (a):
Given

Required
Simplify

Open brackets

Collect Like Terms



Solving (b):
Given
and 
Required
Which expression shows they are not the same
The expression that shows this is:

Take for instance; y=2
Substitute 2 for y in 

Evaluate all exponents



The above expression supports 
Answer:
90 degrees
Step-by-step explanation: