What is the solution of the following system of equations: x = y + 9 x + y = 11
A. (0,9)
B. (1, 10)
C. (10, 1)
D. (10, 10)

Based on what i know about mean, this doesn't add up.

Jayda's house is located at (1, 5). she can walk in a straight line to get to cristian's house. a fast-food restaurant is located at (11, 0) and partitions the way from jayda's house to cristian's house by a ratio of 5: 1. find the coordinate of cristian's house. me . im a little stuck

Aswimming pool had 2.5 million liters of water in it. some water evaporated, and then the pool only had 22 million liters of water in it. what percent of the water evaporated?