The table shows the number of computers donated to a school by each of the 4 companies. All the donated computers were shared equally by 5 classrooms. Which expression represents the number of computers each classroom received?

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

15/16 as a decimal rounded to the nearest hundredth

What does independent variable and dependent variable mean in math?