Answer:
2 27/32
Step-by-step explanation:
Answer: 3 inches wide (estimated orignially it came up to 2.65)
2 inches length
Step-by-step explanation:

number 3 is your answer x<-y+4/2-4
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➷ Find the cost per pen by dividing:
300/10 = 30
It costs rs 30 for one pen
1 dozen = 12
2 dozens = 24
Multiply the values:
24 x 30 = 720
The cost of 2 dozen pens is rs 720
However, as it is asking for 'how much more' you have to subtract:
720 - 300 = 420
The cost is rs 420 more
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Well, your equation y=3/SQRT(3x+4) should be rationalized, but that's not what you want.
If f(x) = 3/SQRT(x+4) and g(x) = 3x
f(g(x)) then = 3/SQRT(3x+4), but rationalizing this = 3SQRT(3x+4)/(3x+4)