How many solutions are possible for a triangle with b =44º, a = 23, and b = 12?

The tile along the edge of a triangular community pool needs to be replaced? ?

What is the y-intercept of the line with the equation 3x + 4y = 12?

In the picture below, line pq is parallel to line rs, and the lines are cut by a transversal, line tu. the transversal is not perpendicular to the parallel lines. note: figure is not drawn to scale. which of the following are congruent angles?