Rolando wrote an equation that represents a direct variation. He then solved that equation for x. Which of these could be Rolando's final equation?

1. y = 7x

2. x = y - 3

3. x = 1/6y

4. x=y^2

Each table has 4 legs how many legs do 4 tables have

Which of the following numbers could not possibly be a probability? Justify your answer. 0.123 negative 0.577 0 What must be true for a number to be a probability? A. The number must be rational. B. The number must be between 0 and 1, exclusive. C.

12x - 2y = - 1 + 4x + 6y = - 4

The formula P=nc-e gives the profit p when a number of items n are each sold at a cost c and expenses e are subtracted. If p=5700, n=4000, and e=900. what is the value of c?

Todd had 3/4 of an Apple left from breakfast. his sister are 1/8 of what was left. how much of the Apple is left

The equation d=m/v can be used to calculate the density

The city's central library has 72,864 books. The library has 72 bookcases. If each bookcase has room for the same number of books, how many books are there in each bookcase?

Which figure is always a rectangle?

The SneakerRama Company makes and sells sneakers. They have one linear function that represents the cost of producing sneakers and another linear function that models how much income they get from those sneakers.

Write the equation of a circle with a center at (2.5, - 3.5) and a diameter of 12. Choices are x + 2.5) 2 + (y - 3.5) 2 = 12 (x - 2.5) 2 + (y + 3.5) 2 = 36 (x + 2.5) 2 + (y - 3.5) 2 = 36 (x - 2.5) 2 + (y + 3.5) 2 = 144