Josh estimates the height of his desk. what is the reasonable estimate?

The complete question includes these choices: A)1 foot B)2 feet C)5 feet D)9 feet The correct answer is B) 2 feet, approx. 24 inches; most standard desks have a height between 28'' to 30''. The answer A is too low, C and D are too much, the perfect answer would be at least 3-4 feet, but as this question proposes only these answers, the nearest estimating value is B)2 feet.

the image of (6, 9) under a dilation is (4, 6). the scale factor is

b. 2/3

Whose mistake? can you give more details to what the question is asking?