Answer:
A, C, E for the first one; B, C, E for the second one; B and E for the last one
Step-by-step explanation:
Plotting the data to get the line of best fit, it is:
y<span> = 0.087</span>x<span> + 0.587
substitute x=2030-1980=50,
y = $4.94 is the price in 2030</span>
Answer:

Step-by-step explanation:
Given equation:

Factor out 3 from the first 2 terms:

Divide the coefficient of x by 2 and square it: (-3 ÷ 2)² = 9/4
Add this inside the parentheses and subtract the distributed value of it outside the parentheses:

Factor the parentheses and combine the constants:

Answer:
My answer is D) y = 2(x - 2.5)^2 + 6
I hope it helps
Answer:
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Step-by-step explanation: