8 = 2^x + 4
2^x = 8 - 4
2^x = 4
as you know 4 = 2^2 so now you have:
2^x = 2^2
x = 2
Answer: 8 inches
C= 2(pi)r
divide 25.12 by 3.14
Answer:
0.8417
Step-by-step explanation:
The probability that a college student uses Twitter for social networking is
then the probability that a college student does not use Twitter for social networking is 
9 students are chosen at random.
Use the binomial probability formula to find the probability that 8 use Twitter:
Use the binomial probability formula to find the probability that 9 use Twitter:

The probability that more than 7 students use Twitter is
I got 128 degrees but don’t take my word