7a)
x - 10 + x - 11 + 3x + 6 = 180
5x -15 = 180
5x = 195
x = 39
7b)
y = 3x + 6
y = 3(39) +6
y = 117 + 6
y = 123
300 would be your answer.
A, because anything with a dilation will not be congruent as the original PQR :))
Answer:
10
Step-by-step explanation:
The ratio of abc/def=1.5
15/1.5=10
if you have insta follow me if you want at riztofu
