Following a group of truck drivers and noting the number of miles traveled for one year refers to which type of statistical study? a) Case control study.
b) Prospective study.
c) Retrospective study.
d) Experiment.

If you answer right ill give brainliest, : )

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

1. 2. ∠b and ∠y are right angles. 3.? 4.? which two statements are missing in steps 3 and 4? ∠x ≅ ∠c △abc ~ △zyx by the sas similarity theorem. ∠b ≅ ∠y △abc ~ △zyx by the sas similarity theorem. = 2 △abc ~ △zyx by the sss similarity theorem. = 2 △abc ~ △zyx by the sss similarity theorem.