Assignment: 
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Answer: 
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Explanation: 
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Note: 
[ Step One ] Apply Rule - (-a) = a

[ Step Two ] Add

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Step-by-step explanation:
3x=-13+1
3x = - 12
x = -12/3
x= -4
Hai! You're gonna need 15 shelves for all those toys. X)
First you turn the % in to decimal .20
then you multiply .20 by 340=68.00
then you subtract 340.00-68.00=272.00
the final answer is 272.00 pages
:)
She should use a computer to select 30 students at random then ask which ones play chess. The other options could produce more skewed results.