Idon't understand this question we have to do a car project if you have done this before

Write the slope-intercept form of the line that passes through the point (1, 0) and is parallel to x - y = 7. t

Haruka hiked several kilometers in the morning. she hiked only 66 kilometers in the afternoon, which was 25% less than she had hiked in the morning. how many kilometers did haruka hike in all?

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?