Suppose an eagle is soaring at a height of 100 feet. If the eagle begins climbing at a rate of 7 feet per second, its height is given by the equation Y = 7x+100. In the
equation, x is the number of seconds and y is the eagle's height, in feet. Suppose the
eagle's original starting height had been 70 feet. What part of the graph of the linear
equation would change?

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The minimum wage in washington has been increasing over the last ten years. years 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 washington state minimum wage $6.50 $6.72 $6.90 $7.01 $7.16 $7.35 $7.63 $7.93 $8.07 $8.55 $8.55 a) find the linear regression equation for the minimum wage in washington using this data ( x  0 in 2000). round to the thousandths. b) what is the slope? specifically, what does the slope represent in the real world context? c) what is the y-intercept? specifically, what does the y-intercept represent in the real world context? d) write your equation as a function of x. e) if you do not earn a college degree and you are earning minimum wage in 2020, what do you predict you will be earning per hour with the linear regression equation? f) if the trend continues, when will the minimum wage be $15 an hour? 3. why are your answers to #1d and #2a above different? which do you think is more accurate (#1 or #2) and why

2y= 3 2 x−2 y = − 1 3 x + 1 y=− 3 1 x+1

The? half-life of a radioactive substance is 20 years. if you start with some amount of this? substance, what fraction will remain in 120 ? years