Answer:
Ali´s secret number is 13
Step-by-step explanation:
Funciton form is f(x)=something
basicallly know that f(x) is the output or y
just solve for y
-3x-6y=0
add 3x to both sides
-6y=3x
divide both sides by -6
y=-1/2x
f(x)=(-1/2)x
Answer:
-5
Step-by-step explanation:
Answer:
2. 4a+2c = 5000
4. a + c = 1600
Step-by-step explanation: