Answer:
ΔDEC/ΔRST is 13/3 it is c
Step-by-step explanation:
ΔRST/ΔDEC = 3/13 so the inverse is 13/3
graph y = 4 ;slope = 0
line that is parallel has same slope so slope = 0
please give brainliest<3
y=3
(3 + 12) / (7 - 12) = (15) / (-5) = -3
3x+8x+15=180
=11x+15=180
=11x=180-15=165
x=165÷11=15
