Ricardo has 2 cases of videos games with the same number of games in each case. he gives 4 games to his brother. ricardo has 10 games left. how many video games were in each case?

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

Can someone me with my math problems i have a bunch. i will give brainliest and lots of pleeeaaasssee

8litres of paint can cover 129.6 m². how much paint is required to paint an area of 243m²?