Answer:

Step-by-step explanation:
is essentially
(you are squaring
, so multiplying it by itself), so to simplify, you would need to distribute.
A good way to go about this is using the F.O.I.L. method, multiplying the First numbers in the parentheses, then the Outers, then Inners, and finally, Lasts.
>>
>>
>> 
(
)
After doing so, you would end up with
, and after combining like terms,
.
To write the expression in standard form, though, just order the terms from highest to lowest power!
how much is for electricity?
Answer: 5 1/2 (5.5)
Step-by-step explanation:
add 4 2/3 to 5/6
Answer:
A
Step-by-step explanation:
6.99 - 6 = 0.99
8 - 6.99 = 1.01
1.01>0.99
So it's A
Brainliest???
Answer:Rearrange the equation so that the unknown variable is by itself on one side of the equals sign (=) and all the other variables are on the other side. RULE #1: you can add, subtract, multiply and divide by anything, as long as you do the same thing to both sides of the equals sign.
Step-by-step explanation: