2) Addisyn has a 12-sided die. If she rolls the die 250 times, how many times can
Addisyn predict she will roll a 9?
A. about 9 times
B. about 27 times
C. about 21 times
D. about 108 times

Describe the possible echelon forms of the standard matrix for a linear transformation t where t: set of real numbers is onto.

Jackie purchased 3 bottles of water and 2 cups of coffee for the family for $7.35. ryan bought 4 bottles of water and 1 cup of coffee for his family for 7.15. how much does each bottle of water cost? how much does each cup of coffee cost?

Math it's appreciated. (picture provided)