The triangle below is equilateral. Find the length of side x in simplest radical form with a rational denominator.

Add the two expressions 3.8b - 7 and 2.9b + 9 enter your answer in simplified form

Describe the symmetry of the figure. identify lines of symmetry, if any. find the angle and the order of any rotational symmetry.

Type the correct answer in the box. consider the system of linear equations below. rewrite one of the two equations above in the form ax + by = c, where a, b, and c are constants, so that the sum of the new equation and the unchanged equation from the original system results in an equation in one variable.