in a certain chemical, the ratio of zinc to copper is 4 to 19. A jar of the chemical contains 437 grams of copper. How many grams of zinc does it contain?

The number of electoral votes each state is assigned is determined by the size of its population every ten years. the chart shows the number of electoral votes california was assigned each decade of the past century. what is the 3rd quartile of the data?

Complete the solution of the equation. find the value of y when x equals to 28 x+3y=28

If f(x) and g(x) are inverse functions of each other, which of the following shows the graph of f(g(x)