Answer:
74 degrees
Step-by-step explanation:
A triangles angle equals 180. So 180 minus 59 minus 47 is 74
In an equilateral triangle (all sides and anges are equal)
angles are 60 degrees each
40 - 4 = 36
average = 36/9 = 4
answer
average number of members who joined the math club is 4 per month
Ok so the only ones that we know for sure are 4 = 1, 6=8, 7=9 and you can’t really do all that much with 2,3,5 because it’s not as obvious
