Find the Value of x and y that satisfy both the equations: x/5 = y/3 and 12/y = 4/5

The triangles in the diagram are congruent. if mzf = 40°, mza = 80°, and mzg = 60°, what is mzb?

Afrequency table of grades has five classes (a, b, c, d, f) with frequencies of 3, 13, 14, 5, and 3 respectively. using percentages, what are the relative frequencies of the five classes?

What is the difference between the equations of a vertical and a horizontal line?