Enter the value of p so that the expression 8 + 5n is equivalent to p (4 + 2.5n).

Find the sum of 4x^{2} -4+6 and -7^{2} +3x+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?

The difference between two numbers is one. three times the larger number minus two times the smaller number is 9. what are the two numbers