What value of x makes the function { (1,5), (x, 8), (-7,9) } a function?

A teapot is 1/3 full of tea, when all of the tea is poured into an empty container, the container is 2/3 full. what fraction of the tea from a full teapot is needed to fill 1 entire container?

A mechanic charges 50 am hour plus parts if a bill is 450 including 150 in parts how many hours did it take

Using discriminant x+5=14-1/2x

I got 40% off when I purchased a set of golf balls regularly priced at $19.50. How much did I pay?

How is the graph of y=x^2 different from the graph of y=x^2-2

Anthony decided to buy two DVDs that we're not included in the deal. His price was $21.60. The sales tax is 8 percent. What was the cost of the two DVDs before the sales tax was added?

Evaluate h (0). what does this value tell you? Explain in the context of the problem

How did or do other cultures measure their years and what year is the current year for those calendars?

Write the equation of the line that goes through the coordinates (1,-1) and (0,-3)

If x + y equals - 1 what is y?