Petra attempted to solve the following equation explain petras error x(x-5)=20

Cherie measures and records the lengths and sizes of the same style of a sandal found at a shoe store. which equation can be used to determine the approximate shoe size, s, for a foot length of x inches? s = x – 2 s = 2x – 10 s = x + 6 s = 2x + 4

What percent of 18 is 24? and plz explain thx.

Felix wrote several equations and determined that only one of the equations has no solution. which of these equations has no solution?