Answer:
Step-by-step explanation:
α + β = -b/a
αβ = c/a
α² + β² = (α + β)² - 2αβ

Answer:
1/9
Step-by-step explanation:
3^-2
Remember that the negative exponent moves it to the denominator
1
---------
3^2
1
-----
9
To get y you can move the x's to one side, so 120y=500-35x
then you can isolate the y, y= 500/120-35x/120
:)
The answers would be pyramid and triangular prism.