I've been having trouble with this and need help! Please? Rhea has decided to survey only patients who have been actively following a Mediterranean diet for at least six months. She has grouped these patients by age: 40-49 years, 50-59 years, and 60-69 years. Given these age groups, how should she choose her sample to find the effects of the Mediterranean diet? Why?

She should choose them by age like she already has they can group them by ten years if you know what am saying

Step-by-step explanation:

-362

step-by-step explanation:

(12)(4)+2(12)-34(12)+2(12)-3

  \/         \/         \/         \/

  48 +   24 -   408 + 24 - 3

      \   /               \   /

          72     -     432 - 3 = -363

y=x+9

?

step-by-step explanation: