Answer:
23.21
Step-by-step explanation:
The answer you have given is correct.
Answer:20 + 20 = 40
Step-by-step explanation:
The most specific name is trapezoid
Answer:
(x²+5)(x-9)
Step-by-step explanation:
Assuming that you are asking to factor by grouping:
x³ - 9x² + 5x – 45
You can group:
x²(x-9) + 5(x-9)
and then combine the x² and 5:
(x²+5)(x-9)