Answer:

Step-by-step explanation:
we have the expression:

We need to multiply the two terms in the first parenthesis by the two terms in the second parenthesis:

we solve each term taking into account the law of signs
(-)(-)=+
and
(+)(-)=-
also for the first term we use that 
thus we have:

it can be simplified a little more if we factor an r of the second and third term:

Step-by-step explanation:
Hey There!
Your answer

1. 1 1/2 - closest to 1
2. 11/24 - closest to 1/2
3. 3/16 - closest to 0
4. 11/24 - closest to 1/2
5. 8/15 - closest to 1/2
6. 49/60 - closest to 1
7.1 1/10 - closest to 1
8. 31/60 - closest to 1/2

1. Common denominator = 10
2. Common demoninator = 18
3. Common denominator = 28
Answer:
any nuber less then 3.5 and 5th awnser
Step-by-step explanation:
x is less then 3.5 so any number less then 3.5
5th one is true too because you can go into negitves and tehre is are infanite negitives
Answer:
sparky 4 years older than cookie
Step-by-step explanation:
s=c+4
since there nothing to add or subtract. you are just gonna take that 4 and since there is a plus sign you are gonna say older than.
hope this helps
Is that all the information? it could literally be any number with only that.