Which equation has the steepest graph?

a. y= -7x + 7
b. y=3x + 1
c. y= 1/2x + 3
d. y= 5x -2

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?

4+(2+x) can you me solve this problem

An engineer scale model shows a building that is 3 inches tall. if the scale is 1 inch = 600 feet, how tall is the actual building?