In ΔBCD, \text{m}\angle B = (8x+9)^{\circ}m∠B=(8x+9) ∘ , \text{m}\angle C = (5x+5)^{\circ}m∠C=(5x+5) ∘ , and \text{m}\angle D = (2x+1)^{\circ}m∠D=(2x+1) ∘ . What is the value of x?x?

Refer to interactive solution 17.45 to review a method by which this problem can be solved. the fundamental frequencies of two air columns are the same. column a is open at both ends, while column b is open at only one end. the length of column a is 0.504 m. what is the length of column b?

Which inequality is equivalent to -3x < -12? x < 4 , x < -4 , x > 4, x > -4

The vertices of a triangle are a(7.5), b(4,2), and c19. 2). what is