There were three times as many seniors as juniors who signed up for the school play. The difference between the number of seniors and juniors was 82.
Find the number of seniors and juniors who tried out for the school play.

You may solve using graphing, substitution, elimination, or matrix.
If you solve using graphing, write in the Show Your Work section the two equations in slope-intercept form that you graphed.
If you solve using the matrix, write in the Show Your Work section the matrix that you use.

Use the following statements to write a compound statement for the conjunction or disjunction. then find its truth value. p: an isosceles triangle has two congruent sides. q: a right angle measures 90° r: four points are always coplanar. s: a decagon has 12 sides. a) a right angle measures 90° or an isosceles triangle has two congruent sides; true. b) a right angle measures 90° and an isosceles triangle has two congruent sides; true. c) a right angle measures 90° and an isosceles triangle does not have two congruent sides; false. d) a right angle measures 90° or an isosceles triangle does not have two congruent sides; true.