How many square inches of wrapping paper is needed to cover 12"long 8"wide 10"high box?

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

If i have 20$ and i gave 5$ away how much i got

Write an equation for the function that includes the points (2,100)and (3,100)