Answer: 6 1/2
Step-by-step explanation:
Complementary angles and right angle. Complementary angle because there are two angles sharing the same points on an angle that has a right angle sign.
Answer: The data is a random sample from the population of interest.
And
Individual observations can be considered independent.
Step-by-step explanation:
On khan academy
101 + d = 180
d = 79
91 + c = 180
c = 89
95 + a = 202
a = 107
b + 107 = 178
b = 71
