Answer:
80
Step-by-step explanation:
180-(60+40)=180-60-40=180-100=80
<span>The coefficient for x^7*y is equal to 8Choose7 which is 8!/7! which is 8, or answer b. Pascal's triangle may be used to capture this as well, or use the exponent as above.</span>
Answer:
Obtuse.
Step-by-step explanation:



Therefore, the answer is <u>1</u><u>0</u><u>2</u><u>4</u><u>.</u>
<h3>
<em>Benjemin</em></h3>