What is the length of the dotted line in the diagram below? Leave your answer in simplest radical form. *Will give brainliest*

Rose bought a new hat when she was on vacation. the following formula describes the percent sales tax rose paid b=t-c/c

Given the system of equations presented here: 2x + 4y = 14 4x + y = 20 which of the following actions creates an equivalent system such that, when combined with the other equation, one of the variables is eliminated? multiply the second equation by â’4 to get â’16x â’ 4y = â’80 multiply the second equation by â’1 to get â’4x â’ y = â’20 multiply the first equation by 2 to get 4x + 8y = 28 multiply the first equation by â’1 to get â’2x â’ 4y = â’14

Ineed on this question me get the answer