The product of x and y is 15. x is 1 less than the square of y. Which of the following pairs of equations could be used to fine the value of x and y? A) xy=15
x+y^2=1

B) xy=15
x+1=y^2

C) x+y=15
x-y^2=1

D) xy=15
x-y^2=1

E) x-y=15
x-y^1=1

PLEASE HELP NEED ASA WILL GIVE BRAINLIEST TO FIRST CORRECT ANSWER

The median of a data set is the measure of center that is found by adding the data values and dividing the total by the number of data values that is the value that occurs with the greatest frequency that is the value midway between the maximum and minimum values in the original data set that is the middle value when the original data values are arranged in order of increasing (or decreasing) magnitude

Libby built a fence that was 56 \text { feet}56 feet long over 44 days. she built the same length of fence each day. how many inches of fence did libby build each day?

Find the value of x. also give me an explanation so i can complete it to other questions as well, : )