Answer:
120°
Step-by-step explanation:
Answer:657
a.
-6a²/ b
b.
5y³
a
-6a²b⁻¹
5/ y⁻³
5 / 1/ y³
5 * y³/1
No solution
=> y+3 = y+9
<u><em>Subtracting both sides by y</em></u>
=>
=> 3 ≠ 9
So, This equation has no solution.