Answer:
(2f-17h)/24k
Step-by-step explanation:
We can make the common denominator for 3k and 8k in the form of 24k, so we get (multiply the first fraction by 8 and the second one by 3 to get 24k on each denominator) (8f-32h)/3k-(6f-15h)/24k. Now we can just subtract the numerators :
8f-32h-6f+15h (sign gets flipped on 6f and 15h), so we get
(2f-17h)/24k
When multiplying two equations like this, you need to distribute. Distribute each term to get <span><span><span><span><span><span>3<span>x</span></span></span></span></span></span></span>

<span><span><span><span><span>+ <span>3</span></span></span></span></span></span>

<span><span><span><span>− <span>26</span></span></span></span></span>

<span><span><span>−<span>14</span></span></span></span>

<span><span>−<span>15</span></span></span>

<span>−<span>24x</span></span>+<span>3</span>
Answer:
A. line symmetry only.
equilateral triangles have 3 lines of symmetry