Answer:
Step-by-step explanation:
n²+2n+1 = (n+1)(n+1)
n²-8n-9 = (n+1)(n-9)
the least common denominator for these two rational expressions is :
(n+1)(n-9)
9/12 so 12 triés because 9*3=27 so you then have to multiply 4*3*12
Answer:
5. DE
6. 6cm
7.20 in
8. DCF
Step-by-step explanation:
Answer:
8
Step-by-step explanation: because its even