A formula for the normal systolic bllod pressure for a man age A, measured in mmHg, is given as P=0.006A^2 - 0.02A+120. Find the age of a man whose normal blood pressure measures 123mmHg.

-362

step-by-step explanation:

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

  \/         \/         \/         \/

  48 +   24 -   408 + 24 - 3

      \   /               \   /

          72     -     432 - 3 = -363

127

whether it's diameter, or radius, i believe if i remember correctly from school, every amount has to always add up to 180. so if you take 53, and starting adding, long story short, taking 127 and adding it to 53, gives you 180.

its c

step-by-step explanation: