I think it is 90 :p (Good Luck)
Answer:
has infinite solution
Step-by-step explanation:
(x,y)=(1-2a,a) where a is an element of any real number
Answer: y = -x + 2
Step-by-step explanation:
When x=0, y = 2
When y=0, x = 2
Hope this helps!
Answer:
The answer is (a, 0)
Step-by-step explanation:
It's correct.
Answer: Stratified Random Sampling
Step-by-step explanation: Got it right