1) Which value of x makes the expression
3x - 6
undefined?

Fiona races bmx around a circular dirt course. if the radius of the course is 70 meters, what is the total distance fiona covers in two laps of the race? a. about 30,772 meters b. about 15,386 meters c. about 879.2 meters d. about 439.6 meters e. about 219.8 meters23 points hurry

Can someone me and do the problem plz so i can understand it more better

Fast! find the length of cu. the triangles are similar. show your work.