Answer:
119
Step-by-step explanation:
62+57 = 119
Solve both equations for y:

Set the expressions equal to each other:

So, for every nonzero number a the system of equations has
one solution.
Answer:
The percentage decrease in the temperature is 25%.
Step-by-step explanation:
The temperature last monday was =32°F
The dropped temperature during the next hour=24°F
The Percentage decrease in the temperature will be=
=
=
=
Yes, because 1/4 plus 1/4 equals 2/4 (or 1/2) and 3/4-2/4 equals 1/4.
Answer:
3x−4y+−3x=6+−3x
−4y=−3x+6
Step 2: Divide both sides by -4.
−4y
−4
=
−3x+6
−4
y=
3
4
x+
−3
2
Step-by-step explanation: