y varies inversely with x. When x is 5, y is 4. What is the constant of inverse variation, k?

In a certain chemical, the ratio of zinc to copper is 3 to 11. A jar of the chemical contains 462 grams of copper. How many grams of zinc does it contain?

Which products result in a sum or difference of cubes? Check all that apply. (x - 4) (x2 + 4x - 16) (x - 1) (x2 - x + 1) (x - 1) (x2 + x + 1) (x + 1) ( + x - 1) (x + 4) (x2 - 4x + 16) (x + 4) (x2 + 4x + 16)

1. Find the square of the follo (a) (3x² - 7y)

Mrs. Harrison made some muffins ... • 9 blueberry muffins 3 cranberry muffins • 18 chocolate chip muffins • 12 banana muffins Which statement is correct? A For every cranberry muffin, there are six banana muffins. B.

A regular pentagon and a square share a mutual vertex B. The sides AB and BC are sides of a third polygon with vertex B. How many sides does this polygon have?

Guess how many pieces of candy corn. It's a three digit odd number less than 200. It is divisible by 7. The number in the ones place and the tens place are the same.

80% of what number is 24

Solve the system of linear equations below. 4x - 3y = 17 5x + 4y = 60

It took jack 4 and half minutes to do 100 multiplication facts how long it takes him to do 150

Mariana graphs the function ƒ (x) = x3 - 4x2 - 3x + 18 and sees two zeros: - 2 and 3. Since this is a polynomial of degree 3 and she only sees two zeros, she determines that the Fundamental Theorem of Algebra does not apply to this equation.