Answer:
I would say C.
Step-by-step explanation:
A: 450. 1,350-1,200=150 x 3=450.
B: I'm not sure how to make a slope intercept graph... :(
Answer:
$280 y $120
Step-by-step explanation:
Primero haces una ecuación. Entonces puedes adivinar y verificar o usar la ecuación. Solía adivinar y comprobar.
¡Espero que esto haya ayudado!
Answer: (-4,4) (4, 6).
Step-by-step explanation:
Use a graph to test it
Given the dataset

We start by computing the average:

We compute the difference bewteen each element and the average:

We square those differences:

And take the average of those squared differences: we sum them

And we divide by the number of elements:

Finally, we take the square root of this quantity and we have the standard deviation:
