A b c or d help me plzz

Find the value of the variable and the length of each chord for #5 and #6.

Which is an accurate comparison of the two data sets? the commute to work is typically shorter and more consistent than the commute home. the commute to work is typically shorter but less consistent than the commute home. the commute to work is typically longer and less consistent than the commute home. the commute to work is typically longer but more consistent than the commute home.

Acar travels 85 kilometers per hour. what is the equivalent speed in meters per hour?