What is the sqaure root of 7?

Complete the statements about the system of linear equation respresented by the tables the equation respented the left table is

The graph shows the distance y, in inches, a pendulum moves to the right (positive displacement) and to the left (negative displacement), for a given number of seconds x. how many seconds are required for the pendulum to move from its resting position and return? enter your answer in the box.

Adam used 1072.4 gallons of water over the course of 7 days. how much water did adam use, on average, each day?