Which of these is an advantage of checking accounts?

Solving algebraic equations 2m+3=11

Due to bad planning, two of the local schools have their annual plays on the same weekend. while 457 people attend one, and 372 attend the other, only 104 people were able to attend both. how many people went to at least one play?

Which statements are true about additional information for proving that the triangles are congruent check all that apply