{(4,7),(2,5),(6,0),(4,_)} If this is a relation is a function, then what number must
fill in the blank?

answer: hey there,

the answer you are looking for is a..

hope this you!

i would be 2,000 just get the square root of 50 which is 2500 and the divid 4/5 and last thing multiply the answer you get for that by the square root of 50

step-by-step explanation:

you estimate that the angle of elevation to the top of the 86th floor (the observatory) is 82 .the total height of the building is another 123 meters above the 86th floor.

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