Bao has a new tracking device that he wears when he exercises. it sends data to his computer. how can bao determine how long he should exercise each day if he wants to burn 5,000 calories per week?

At dinner, 2/5 of the people had fish and 1/3 had chicken. if everyone else had lamb, what fraction of the people had lamb? and if 40 people had lamb , calculate the total number of people at the dinner.

Reflect the point (7,0) across the y-axis

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