John has four less dimes than nickels in his pocket for a total of $1.05. Which equation could be used to determine the number of nickels , x, in his pocket?

The chart below shows the distribution of weeds in yard

What is the ratio of the change in y-values to the change in x-values for this function? a) 1: 13 b) 2: 5 c) 5: 2 d) 13: 1

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?