Answer:
the answer is A
Step-by-step explanation:
10C6 = 10! / (6! * 4!) = 10 * 9 * 8 * 7 / 4! = 5040/24 = 210
Answer:
a) No, Joe is not correct. Since the angle 2 is opposite to the angle that measures 72°, 2 measures 72°. Since 72° + 3 = 180°, angle 3 measures 108°.
b) Below that we have the exactly same thing: angles 5 and 7 measure 72°, and angles 4 and 6 measure 108°.
Step-by-step explanation:
Answer: PEMDAS
parenthesis, exponents, multiplication, division, addition, subtraction
Step-by-step explanation: