Step-by-step explanation:
3n + 6( -8n + 9)
= 3n - 48n + 54
= - 45n + 54
Hope it will help
We know that the original width was 5, and that after the enlargement the width is 45. To calculate the scale factor we divide the final width between the original one, then:

Therefore the scale factor is 9.
Answer:
we have to factories it in both activities..
Answer:
<h3> a₁ = -1</h3>
Step-by-step explanation:

Answer:
The 1st, 3rd, and 5th statements are correct.
Step-by-step explanation:
YZ has the same angle as XY, so the length is the same.
A^2+B^2=C^2 shows that XZ equals 9 sqrt 2 cm.
The hypotenuse is always the longest segment in the triangle.