Li's house is 3 miles east and 4 miles south of the school . Jack's house is 2 miles west and 5 miles north of the school. What is the shortest distance each of their houses to the school? Who lives closer to the school?

What are the constants in this expression? -10.6+9/10+2/5m-2.4n+3m

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?

Me solve this problem, and someone clearly explain to me how to solve it.1.) use the value of the discriminant to determine if the given trinomials has 2 real solutions, 1 real solution, or no real solutions.a.  x2  − 4x  − 7 = 0b. 4r2  + 11r  − 3 = 0c. 3m2  + 7 = 0d.  t2  + 2t  + 1 = 0