Two expressions for the perimeter of a square are:
4a
- a represents one side of the square
a + a + a + a
- a representa one side of the square
the first expression does not include any addition. But the two expressions are actually equivalent.
In nuclear physics and chemistry, the Q value for a reaction is the amount of energy absorbed or released during the nuclear reaction. The value relates to the enthalpy of a chemical reaction or the energy of radioactive decay products. It can be determined from the masses of reactants and products.
Answer:
The second one. it's the only one that has a pattern for both sides. for every x value that goes up, the y-values goes down one. that function has a slope of -1
Step-by-step explanation:
I hope this helps :)
C. 33.60
that would be because 25% of 56 is 14 so 56-14=42
and 20% of 42 is 8.40
so 42-8.4= 33.60
$33.60 is your answer
Answer:7
Step-by-step explanation: