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C) Total Interest and Principal

Step-by-step explanation:

Total interest and principal.

Step-by-step explanation:

In compound interest a value will increase by a certain multiplier for some years. This could be that format of a question 'Mr Singh invests £500 at 6% compound interest for 7 years'. The multiplier in this case would be 1.06 so the calculation is

500 × (1.06)⁷ → 7 because its invested for 7 years

And the answer will be £751.82

d? maybe

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.