F(x)= -21x^4+141x^3-3x^5-1026x-6480+909x^ 2

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

What is r i 4.5+10r=-6.5 with work pls

Find each value of the five-number summary for this set of data. [note: type your answers as numbers. do not round.] 46, 19, 38, 27, 12, 38, 51 minimum maximum median upper quartile lower quartile