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Are those correct if not tell me which are wrong I need help with number 21 also
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Are those correct if not tell me which are wrong I need help with number 21 also

Are those correct if not tell me which are wrong I need help with number 21 also-example-1
User AjayKumarBasuthkar
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For number 21, all you have to do is look at the bar graph and put the answer into a unit rate to make it easier
User Mark P Neyer
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For 23., you have to find a way to measure your heart rate not increase it. search it up on google.
Are those correct if not tell me which are wrong I need help with number 21 also-example-1
User Rakesh
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