Is an equation that has 0 for a solution the same as an equation with no solution? Explain.

Simplify.7x + 3y - 2 + 6x + 1 + y squared 2 you! ; )

Jenisey has $24 to spend on seven pencils. after buying them she had $10. how much did each pencil 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