Answer:
1.9
Step-by-step explanation:
First step would be to separate r from t

Then just insert the numbers

Answer:
2nd option
y > 6 and y < 2
Step-by-step explanation:
as the value of y can not be greater than 6 and less than 2 at the same time, the 2 inequalities have no common solutions
theefore no solution
I think A which is 4in but not sure
Answer:
6x + 6y just add all the 2x then 2y