Answer:
3m - 25
Step-by-step explanation:
3m - 25 will represent how many minutes she practiced this week:
3m represents 3 times the number of minutes she practiced last week. Then, subtract 25 from this.
This will represent 25 minutes less than 3 times the number of minutes she practiced last week.
Answer:
It is a rational number
Step-by-step explanation:
Mode is singing cause it shows up 7 times
The formula is a permutation in which n represents the sample points in the set, while r represents the number of sample points in each permutation.
Roots can be written as fraction exponents. An exponent of 1/2 means the square root.