Mike and teegan each measured the volume of the 16-ounce bottle three times. they recorded their measurements as shown.

mike:
16.4 oz, 15.2 oz, 15.8 oz

teegan:
16.34 oz, 16.59 oz, 15.13 oz

Karianne and lucius are analyzing a linear function on a graph. karianne says that unit rate is equal to rate of change, but that slope is calculated differently. lucius says that unit rate, rate of change, and slope are calculated the same way. who is correct? explain your answer.

Which shows the pre image of triangle xyz

Which shows the correct solution of the equation 1/2a+2/3b=50, when b=30?