X - y = 7.....x = y + 7
x * y = 60
y(y + 7) = 60
y^2 + 7y = 60
y^2 + 7y - 60 = 0
(y + 12)(y - 5) = 0
y + 12 = 0
y = -12....not this one because it is negative
y - 5 = 0
y = 5 <===
x - y = 7
x - 5 = 7
x = 7 + 5
x = 12 <==
so ur 2 numbers are 12 and 5
The answer is D. 2x - 4/x^2- 4
72 fish total. 12 fish in each tank.
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(g+t)n=f
g=Goldfish
t=Tetras
n=Number of fish tanks
*If I got it wrong, let me know*
Answer:
I believe its C
Step-by-step explanation:
Answer:
136°
Step-by-step explanation:
Look at the attached paper for the steps.
