Find the distance between the points $(1,1)$ and $(4,7)$. Express your answer in simplest radical form.

What is the name used to describe a graph where for some value of x, there exists 2 or more different values of y?

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

Look at the figure below: triangle abc is a right triangle with angle abc equal to 90 degrees. the length of ac is 5 units and the length of ab is 4 units. d is a point above c. triangle adc is a right triangle with angle dac equal to 90 degrees and dc parallel to ab. what is the length, in units, of segment cd?