Answer:
the angle which is equal to its supplement is 90 degree
N(2n+6)-(n²-1)= 2n²+6n-n²+1=n²+6n+1
Answer:
B) 20
Step-by-step explanation:
2808 lb. / 140 lb. ≈ 20
Answer:
The percentage of workers not wearing the helmets is 5.3 %.
Step-by-step explanation:
A safety committee randomly examined 900 construction workers during their work, and found that 48 workers were not wearing helmets. Estimate the percentage of workers who do not wear protective masks during their working time with 98% confidence
total workers = 900
Not wearing helmet = 48
Percentage which are not wearing the helmets
= %
I believe it is B.) Alternate Interior.