Unit rate means how much does it cost for 1 unit
140 for 18ft^2
divide by 18
140/18=7.77777777777777
so the unit rate is $7.78 per square foot
Answer:
C
Step-by-step explanation:
Increase is difference between ending and begining value so 23-(-8) =23+8.
In this case its absolute value because it has to be positive
Answer:
Step-by-step explanation:
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Answer:
4( t - 7) ( t - 3 )
Step-by-step explanation:
4t² - 40t + 84
4(t² - 10t + 21)
4( t - 7) ( t - 3 )
