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Option B

Step-by-step explanation:

In this question , we just need to make "F" as the subject of the equation.

So, lets solve the equation.

→ Multiplying (N + F) on both the sides ,

→ Substracting both the sides with RF ,

→ Taking F common from R.H.S ,

→ Dividing both the sides by (1 - R) ,

∴ Hence ,

7

step-by-step explanation:

option 1

data plot with   3 dots over 33, 1 dot over 34, 2 dots over 35, no dot over 36, 1 dot over 37, 2 dots over 38, 4 dots over 39, and 2 dot over 40.