Answer:
315
Step-by-step explanation:
Using a scale factor of 3 basically means just multiply the length and the width by 3.
So instead of 5 * 7, we are doing 15 * 21.
15 * 21 = 315
Answer: x = 0.3
12x-18=-15+6x
6x = 3
x = 1/2 or 0.5
[Corrected]
Answer: -8-10
6r
458r-3
488r
