$\dfrac{3a^2-6a+3}{a^2-1}\\\\=\dfrac{3(a^2 -2a+1)}{(a+1)(a-1)}\\\\=\dfrac{3(a-1)^2}{(a+1)(a-1)}\\\\=\dfrac{3(a-1)}{a+1}\\\\=\dfrac{3a-3}{a+1} ~~~\text{for}~ a\neq 1$

7 0

2 years ago

Please help for brainiest; find values

love history [14]

Answer:

arc AB = 49°

arc ABC = 253°

arc BAC = 156°

arc ACB = 311°

Step-by-step explanation:

arc AB sees the center angle and it is equal to the center angle it sees

arc ABC is equal to 360 - 107 = 253° because it is also sees center angle

arc BAC is equal to 107 + 49 = 156°

arc ACB is equal to 360 - 49 = 311°

4 0

3 years ago

Hillary is reading a book that is 200 pages long she has already read 72 pages so far what percent of the book has it she comple

mezya [45]

I would say about 80%

6 0

4 years ago

Read 2 more answers

Ms. Jolly was sketching out a new graden design one of the designs have the instructions to make points at the following locatio

andrew-mc [135]

Answer: In picture below.

Step-by-step explanation:

Find the points on the line and then draw lines to them.

3 0

3 years ago