The difference of a number and 4 is equal to that same
number squared

Jim makes $10.35 per hour. write an equation that jim can use to calculate his pay.

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?

If y varies directly as x2 and y=6 when x=6, find the constant of variation.