Fill in the missing parts if TDC, including the letters and arrows. T_ _ _
D_/ _
C_/ _ _
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Which of the following is considered to be a vector?               a.  temperature    b.  velocity    c.  time    d.  mass

From center station, a train departs every 30 minutes on the fast line and a train departs every 50 minutes on the state line. if two trains depart from center station at 8: 00 a. m., one on each of the two lines, what is the next time that two trains, one on each line, will depart at the same time?

Gordon is going for a run through the park, but it is cold outside. the low outside temperature could affect his personal safety.