What is the slope of the line DO NOT GUESS OR DO NOT SEND ME LINKS OR I WILL REPORT THEM

Every weekday, mr. jones bikes from his home to his job. sometimes he rides along two roads, the long route that is shown by the solid lines. other times, he takes the shortcut shown by the dashed line. how many fewer kilometers does mr. jones bike when he takes the shortcut instead of the long route?

What is the length of the midsegment of a trapezoid with bases of length 15 and 25 ?

Given: ab ≅ bc and ao ≅ oc ok − angle bisector of ∠boc find: m∠aok