Answer:

Interval notation: 
Step-by-step explanation:
<u>First inequality:</u>
<u />
Therefore, this inequality restricts:

<u>Second inequality:</u>

Therefore, this inequality restricts:

Therefore, with both of these restrictions together, we have:
.
Answer:
7
Step-by-step explanation:
Please let me know if you want me to add an explanation as to why this is the answer. I can definitely do that, I just don’t want to waste my time in case you don’t want me to :)
Answer:
-3
Step-by-step explanation:
to eliminate 6x we need the same no. 6x but that should be negative. so
2X × -3 = -6X
and
6X+(-6X)=0
Answer:d
Step-by-step explanation:
Answer:
Finding a dime, 5/10
Finding a penny, 2/9
Step-by-step explanation:
add up the total number of coins, 10, and put the number of dimes over it
5/10
add up the total number of coins, 10, and subtract a dime, so there is 9 coins, but 2 pennies so 2/9