Answer:
I can't understand this what is this all stuff
Step-by-step explanation:
I. x - y = 4 --> y = x - 4
II. x + y = 4 --> y = 4 - x
Solution is x = 4 and y = 0
Answer:
20.5a
Step-by-step explanation:
- 18a + 2.5a = 20.5a
I hope this helps!
Answer:
f(-3)=4
Step-by-step explanation:
Substitute x=-3 into the function
f(-3)=(-3)^2-5
f(-3)=9-5
f(-3)=4