Audryn left a $12 tip on a $68.73 restaurant bill. what percent tip did she leave? round to the nearest tenth of a percent.

Mackenzie needs to determine whether the rectangles are proportional. which process could she use? check all that apply.

Which two undefined geometric terms always describe figures with no beginning or end?

Given that y varies directly to the square root of (x + 1), and that y = 1 when x = 8,(a)express y in terms of .x,(b)find the value of y when x = 3,(c)find the value of x when y = 5.