Step-by-step explanation:
x = number
3x - 15 = (x - 12)×-4 or (12-x)×-4
3x - 15 = -4x + 48 or -48 + 4x
7x = 63, x = 9 or
33 = x
(0,15)(1,45)
slope = (45 - 15) / ( 1 - 0) = 30 mph
no, more than one triangle could be made with these measures
sss
The answer is 114 just divide 228 by 2
