a+b=350 => a=350 - b
3a + 5b = 1450
3(350-b)+b=1450
1050-3b+5b=1450
2b=400
b=200
a=150
Answer: Self selected sample
Step-by-step explanation:
They people chose themselves
Answer:
the answer for y is 9 and x is 9✔2( the check is square root symbol)
Answer:
The set of all persons in America is a finite set.
The set of all birds in California is a finite set.
Step-by-step explanation: hope those help
Answer:
C aka the third one
Step-by-step explanation:
