4x^3+6x^2-9x+1 is an example
Step-by-step explanation:
12 2/5
=144/5
=28/8
Hope this helps!!!
Answer:
4.5
Step-by-step explanation:
Should be 12.5
19.5 would come out to be greater than 20
17.5 would come out to be 20, but it must be less than
therefore, 12.5 is the answer