Triangle ABC is circumscribed about circle P. Points X, Y, and Z are the points of tangency. XC=12, BC=21. What is BY?

Y=(x+3)(x-4)(x+1)^2 sulutions? multiplicity?

Ade and abc are similar. which best explains why the slope of the line between points a and d is the same as the slope between points a and b?

Aparticular telephone number is used to receive both voice calls and fax messages. suppose that 25% of the incoming calls involve fax messages, and consider a sample of 25 incoming calls. (a) what is the expected number of calls among the 25 that involve a fax message?