Step-by-step explanation:
2x - 3y = 25
+ (5x + 3y = 10)
=> 7x = 35, x = 5.
Therefore 2(5) - 3y = 25, 3y = -15, y = -5.
The solution pair is (5,-5).
Answer:
(b)
student can choose none or some
Answer:
cos X = 
Step-by-step explanation:
simplify 15/39
I would try using a table. It might work better.
Answer:
16 sqft.
Step-by-step explanation:
A=L(W)
A=4(4)
A=16
Hope that helps