Answer:
a.) -20p - 2
Step-by-step explanation:
I got 81 members. 4 x 20 = 80 81-80=1
6 x 13= 78 81-78= 3
7 x 11= 77 81-77= 4
Answer:
8.48528137424^2
Step-by-step explanation:
8.48528137424x8.48528137424
= 72
Answer:
6(6a-2b)
Step-by-step explanation:
Given:
425 school children
Teacher : 80
Doctor : 105
Lawyer : 70
Police Officer : 70
Firefighter : 100
Total = 425
After applying Pearson's chi-squared test, it is concluded that this data reflects a real difference in the population.