Answer:
x-9
Step-by-step explanation:
Answer: a. AB = 15cm long.
b. AB = 11.1cm long.
Step-by-step explanation: Image of AB after a dilation of scale factor 5 is 5 × 3cm = 15cm long.
Image of AB after a dilation of scale factor 3.7 is 3cm × 3.7 = 11.1cm long.
Answer:
Step-by-step explanation:
f(-9)=2(-9)²+5(-9)+20
= 162-45+20
= 137
Add all of the x’s up you get 223.8
