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Multiply pounds box can hold by percent full.
= 9 * 8/10
= (9*8)/10
= 72/10
= 7.2 pounds full
ANSWER: 7.2 pounds was in the box
Hope this helps! :)
Diagonals bisect each other
Option B
The value of the expression 3ac - b² - c² is -61.
<h3>What is an expression?</h3>
Expression in maths is defined as the collection of the numbers variables and functions by using signs like addition, subtraction, multiplication, and division.
Numbers (constants), variables, operations, functions, brackets, punctuation, and grouping can all be represented by mathematical symbols, which can also be used to indicate the logical syntax's order of operations and other features.
The expression will be solved as below:-
3ac - b² - c² = ( 3 x 4 x -3 ) - ( 4 )² - ( -3 )²
= ( -36 - 16 - 9 )
= ( -61 )
Therefore, the value of the expression 3ac - b² - c² is -61.
To know more about an expression follow
brainly.com/question/723406
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I'm pretty sure you would multiply the cost amount to the percentage
