Answer:
29
Step-by-step explanation:
(x+12) + 100 + x = 180
2x + 112 = 180
Subtract 112 from both sides
2x = 58
Divide 2 from both sides
x = 29
19 times 3 equals = 57ft squared. Area = 57ft squared
It is 6 because 3x3=9 then you do the same for 2 so 6/9
I cant help you there m8 the I'm not able to see the problem I'm sorry.
