It would be = -3.81 * 10^-3
Sara's results probably do have a higher mean, if we take into account how William is way more willing to pay 20 dollars. Honestly, I think you got your chosen answers right! Just my opinion, as someone inexperienced.
Answer:
g = 
Step-by-step explanation:
Given
t = v + 
Multiply through by g to clear the fraction
tg = vg + k ( subtract vg from both sides )
tg - vg = k ← factor out g from each term on the left side
g(t - v) = k ← divide both sides by (t - v)
g = 
C; this is because the line of beat fit isn’t linear but curved in that one graph.
Answer:
My age is 12 years.
Step-by-step explanation:
Given:
Sister's age = 10 years
Let my age be x.
Now according to question;
my brother's age is 1/3 of my age
So brother's age = 
Also according to question;
my sister is 6 years older than my brother;
Sister's age = 
Also given Sister's age = 10 years
hence equation to find my age will be expressed as below;

Brothers age = 
Hence my age is 12 years.