Answer:
im 70% sure that its D
Step-by-step explanation:
I hope i helped sorry if im wrong :D
Supplementary angle must add up to 180 so the supplement will be 108 degrees. 180-72=108.
Answer:
5
Step-by-step explanation:
Assuming n is the number of signers.
7 is 10% of y.
7 = 0.1y
y = 70
n is 80% of y
n = 0.8y
n = 0.8(70)
n = 56
56 signers
