the area of the model is 113.75
I believe it’s the last one, but I could be wrong.. The n three times= 3n+15 (less than itself)-n ??
1.64 million rounded to the nearest million is 2 million.
99.....the killer only killed one but i feel this is a riddle that i dont get lol
Answer:
x = 31
Step-by-step explanation:
The perimeter is the sum of the equal-length sides:
63 = (x -10) +(x -10) +(x -10)
63 = 3x -30 . . . . . . . . collect terms
21 = x -10 . . . . . . . . . . divide by 3
31 = x . . . . . . . . . . . . . add 10
