Each answer choice below shows an equation and a value for x. Which of the following is true? If 3% + 6) = 15, then x = 3. IF 467 - 7) = 36, then . = 37. If 7-14 = -22, then 3, = -13. If 817 - 4) = 32, then , = 2.​

number 3 is x=3

and for number 2, it's t=0

explanation step-by-step

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answer: the price of one pound cabbage = $ 0.8

the point (10,8) represents that the cost of 10 pounds cabbage is $ 8

step-by-step explanation:

since, here is a proportional relation between the number of pounds of cabbage (x) and the price in dollars (y).

therefore, we can write,

⇒ y = k x

where k is the constant of proportionality.

now, point (5,4) is in the line.

thus, it will satisfies the above equation of line.

⇒ 4 = 5 k

⇒ k = 0.8

thus, the equation of the line is,

y = 0.8 x

a) for x = 1,

y = 0.8

therefore, the cost of one pound of cabbage is 0.8 dollars.

b) in the below graph (10,8) represents that the cost of 10 pounds of cabbage is 8 dollars.

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step-by-step explanation: