In the following sequence of numbers, create an expression whose value is 4 by inserting brackets, parentheses, and the symbols for addition, subtraction, and division.

2 5 1 4 1

Thank you!!

Given right triangle xyz, which correctly describes the locations of the sides in relation to

What is the perimeter of an isosceles triangle with each leg measuring 2x+3 and the base measuring 6x-2?

Nina has prepared the following two-column proof below. she is given that ∠oln ≅ ∠lno and she is trying to prove that ol ≅ on. triangle oln, where angle oln is congruent to angle lno nina made two errors in the proof. identify and correct the errors.