In a competition a school awarded medals i different categories, 36 medals in dance, 12 medals in dramatics and 18 medals in music. If these medals went a total of 45 persons and only 4 persons got medals in all thr three categories, hk many received medals in exactly two of these categories?​

Slavery played the central role during the American Civil War. The primary catalyst forsecession was slavery, especially Southern political leaders' resistance to attempts by Northern antislavery political forces to block the expansion of slavery into the western territories.

4.82 Estimated 4 people

Step-by-step explanation:

Total number of medals= 12+ 36+18= 66

66/45x65/44x64/43x63/42= 4.819955

it's d.

step-by-step explanation:

because: -1(4x + 1y) +2 (1x-3y) distribute each number into the parenthesis.

then you would get: -4x - 1y + 2x -6y combine like terms

and get: 2x -7y

hope my answer has you if not then i'm sorry.

i did it myself and i got 4.2 (b) hope its right

step-by-step explanation: