Answer:
7/9 or 7/10
Step-by-step explanation:
im not sure it depends on the bottom part
Answer:
semiannually = $1609.77
monthly = $1128.71
Step-by-step explanation:
Answer:

Step-by-step explanation:
The first step is to ensure that all of the fractions have a common denominator.

Hope this helps!
Answer:
4x² + 12x + 18
Step-by-step explanation:
This would be the trinomial.
Mental math is something that can be done i your head.
for example you can do 1+1 in your head and you dont need a calculator or paper to do it so i would be called mental math
Hope this helps
remember if you ever need anything and you dont want to waste points you can just post it on my pfp or message me the question