Answer:
14.25
Step-by-step explanation:
85.50 devided by 6 = 14.25
For number one you should get 6√3
I believe B. is your answer. If you use the ac method, you will multiply 8 and 3 which is 24. So now, what factors of 24 will give you 10?6 and 4
Now substitute

Now do factorization by grouping.

Therefore, your answer is (4x+3)2x+1)