How do you know if an equation represents a proportional relationship?

Danielle is selling her handmade jewelry online. Yesterday, she sold 2 braclets and 4 necklaces, for a profit of $132 by selling 4 bracelets and 4 necklaces. How much profit does Danielle earn from each piece?

How many eighths make 5 7/8?

How can you figure out what x is in the function: g (x) = 1/3-4/3x? I saw that someone had posted that x = - 5, but how do you come up with that number? wouldn't it depend on what G is? or knowing Y? confused

Use the Distributive Property to simplify. - (29-39-2w+5m)

A boat 160 miles in 5 hours. what is its speed in miles per minute?

What is the slope of a line that is parallel to the line y = 3/4x + 2?

Analyze the graph. Which inequality represents the graph? y > x + 4 y - 3x + 4 y < - 3x + 4

If x = 2 calculate the value of x squared - x

Are 5/y² + 2 and 1 - 5/y² + 2y not quadratic expressions? Why?

Which expression is equivalent to 12x + 18y + 54?