Angle 1 = 8x + 45
Angle 2 = x
x + 8x + 45 = 180
combine like terms
9x + 45 = 180
subtract 45 from both sides
9x = 135
divide both sides by 9 to isolate x
x = 15
Angle 1 = 8(15) + 45 = 165 degrees
Angle 2 = 15 degrees
Answer: 2. Enlargement
Explanation: there are prime number markings on the bigger shape. This shows that the smaller shape was the original one and to turn into the bigger one, it had to grow/get bigger.
Answer:
I got -3+11x
Step-by-step explanation:
-3(1-3x)+2x
-3+9x+2x
-3+11x
