6. This diagram is a straightedge and compass construction of a line
perpendicular to line AB passing through
point C. Select all the statements that
must be true.
A. AD = BD
B. EC = AD
C. AC = DC
D. EA = ED
E. ED = DB
F. CB=AD
(From Unit 1, Lesson 5)

Find the value of the variable and the length of each secant segment.

Acar started driving from city a to city b, distance between which is 620 miles, at a rate of 60 mph. two hours later a truck left city b and started moving towards city a at a rate of 40 mph. how many hours after the truck's departure will the two meet?

Ametal rod is 2/5 meters long. it will be cut into pieces that are each 1/30 meters long. how many pieces will be made from the rod?