Answer:
-a(a+4)/(16 - a²)
Step-by-step explanation:
a/(a - 4) Multiply by (a + 4)/(a + 4)
= a(a + 4)/[(a – 4)(a + 4)] Multiply the denominatorator terms
= a(a + 4)/(a² - 16) Multiply by -1/(-1)
= -a(a+4)/(-a² + 16) Reorder terms in denominator
= -a(a+4)/(16 - a²)
Answer:
16.8 ÷ 8 = 2.1
( For the other ones with the " tenths " confuses because I dont know where its going gl l though )
Answer:
its a right triangle
Step-by-step explanation:
4 * 2 = 8
8 + 5 = 13
B, is the correct answer