Which expression has the same value as 7^5/7^8

a. 1/7^-3
b. 7^9/7^6
c. 7^-2/7^1
d. 7^4/7^9

The probability that you roll a two on a six-sided die is 1 6 16 . if you roll the die 60 times, how many twos can you expect to roll

Afrequency table of grades has five classes (a, b, c, d, f) with frequencies of 3, 13, 14, 5, and 3 respectively. using percentages, what are the relative frequencies of the five classes?

Solve 4 ln x=2ln25 a) x=5 b) x=25 c) x=625