Answer:
Step-by-step explanation:
Represent Alice with A, her friend with F and you with Y.
From the question, we have:
--- Twice as much Alice means 2 times Alice's earnings
--- 2 less than her friend
Required
Determine the total amount
Substitute 
for A in
Substitute 
for F in
The total amount is calculated by adding the earnings of Alice, her friend and you
<em>Hence, the total earnings is 5d - 2</em>
im not sure i cant find a graph but i can find the points for u to graph if u want
Answer:
D
Step-by-step explanation:
That is a parabola.
All domain of a parabola are, (-∞,∞).
The range would be, (-∞, 0]
A sample size of 80 will be most reliable, because there is a less likely chance for error.
