1.) the trig ratio needed to solve the problem and how that it is the correct trig function. 2.) a step-by-step solution rounded to the nearest tenth

Which three lengths could be the lengths of the sides of a triangle? 21 cm, 7 cm, 7 cm 9 cm, 15 cm, 22 cm 13 cm, 5 cm, 18 cm 8 cm, 23 cm, 11 cm

Which lines are parallel? justify your answer. lines p and q are parallel because same side interior angles are congruent. lines p and q are parallel because alternate exterior angles are congruent lines l and m are parallel because same side interior angles are supplementary lines l and m are parallel because alternate interior angles are supplementary.

The bottom of a vase is a square.each side measury y+11 units.the square has a perimeter of 55 units what is the value of y?