Answer:
{(1,4) (2,8) (3,12) (4,16)}
<span>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. </span>
A^2 - b^2 = (a-b)(a+b)
To test it, expand the right hand side.
Answer:
14/15
Step-by-step explanation:
