30 points, please help. 1) which property is illustrated by the following statement?

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3x (-5) = (-5) 3x

a. commutative property of addition

b. associative property of addition

c. commutative property of multiplication

d. inverse property of multiplication

2) which property is illustrated by the following statement?

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3z + 4 = 4 + 3z

a. associative property of addition

b. commutative property of multiplication

c. inverse property of multiplication

d. commutative property of addition

3) order the following numbers from least to greatest.

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, -0.4, , 0.8,

a. 0.8, , , , -0.4

b. , , 0.8, , -0.4

c. , -0.4, 0.8, ,

d. -0.4, 0.8, , ,

i think 1: 2

step-by-step explanation:

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.