(x + 8)(x - 5)
= x (x - 5) + 8(x - 5)
= x² - 5x + 8x - 40
= <u>x²</u><u> </u><u>+</u><u> </u><u>3</u><u>x</u><u> </u><u>-</u><u> </u><u>4</u><u>0</u><u> </u><u>(</u><u>a)</u>
I think it's 0.385. I might be wrong. Try using WolframAlpha for this stuff, it should work.
Answer:
8 sides
8 angles
octagon
Step-by-step explanation:
The figure shown is a regular octagon, meaning that it is an 8 sided, 8 angled shape where all of the side lengths and angle measures are equal. Hope this helps!
Answer I think the answer is C
Answer:
congruency
Step-by-step explanation: