Answer:
Cara:108
Step-by-step explanation:
John: x number of cards
Cara: 12 times x number of cards(she has 12 times more cards than John)
Cara+John=117 cards

Cara has 12×9 cards, so she has 108 cards.
Hope this was helpful :)
37,
It is thirty seven, use a calculator
Answer:
3(y+4)^2
Step-by-step explanation:
Answer:
79,000 because its in the middle
Step-by-step explanation:
1. The sum of the angles in a triangle is equal to 180. 3x+2x+x=180
2. 3x+2x+x=180 Combine like terms. 6x=180 180/6=30 x=30
3. 3*30=90; 2*30=60 1*30=30