The vertices of the image of a figure under the translation (x, y) —> (x+0, y+0) have the same coordinates of the pre image

Pls brainliest will be awarded if answer is correct

Ellen makes and sells bookmarks. she graphs the number of bookmarks sold compared to the total money earned. why is the rate of change for the function graphed to the left?

The difference of three and the reciprocal of a number is equal to the quotient of 20 and the number. find the number.