Suppose line segment XY has one endpoint at X(0,0). If (3,4) is the midpoint of XY, what are the coordinates of point Y?

On new year's day, the average temperature of a city is 5.7 degrees celsius. but for new year's day 2012, the temperature was 9.8 degrees below the average. i) if a represents the average temperature on new year's day and 7 represents the temperature on new year's day 2012, what formula accurately relates the two values together? ii) what was the temperature on new year's day 2012? dt a 0.8 ii) - 4 1 degrees celsius da-t-98 ii) 59 degrees celsius 1) 7 = -9,8 11) 59 degrees celsius ii) l degrees celsius

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

The two square pyramids are similar. find the total volume of both pyramids if the ratio of their surface areas is 9/16