Answer:
2
Step-by-step explanation:
8 x 2 = 16
4 x 2 = 8
Answer:
C
Step-by-step explanation:
First we find the z-score.
z = (x - μ) / σ
z = (520 - 500) / 60
z = 0.33
Using a calculator or z-score table:
P(z < 0.33) = 0.6293
The probability is approximately 63%. Answer C
Yes he has enough index cards for all students
Answer:
Answer is ...Obtuse
Step-by-step explanation:








We get,
m<ABC =

Hence <ABC is obtuse