Constant Proportionality

Which basic geometric term has no width, no length, and no thickness? line b. point c. angle d. plane

Since opening night, attendance at play a has increased steadily, while attendance at play b first rose and then fell. equations modeling the daily attendance y at each play are shown below, where x is the number of days since opening night. on what day(s) was the attendance the same at both plays? what was the attendance? play a: y = 8x + 191 play b: y = -x^2 + 26x + 126

If chord ab is congruent to chord cd, then what must be true about ef and eg?