Molly shared a spool of ribbon with 12 people. Each person received 3 feet of ribbon. Which equation can she use to find r, the number of feet of ribbon that her spool originally had? A. 3+r=12 B. r-3=12 C. 3r=12

When you solve the equation x + 1 = 2x for x, the solution is 1. 1) Square both sides of the equation, and verify that your solution satisfies the new equation. 2) Show that - 13 satisfies the new equation but not the original equation.

1 ounce of cheddar cheese contains 9 g of fat six of the grams of fat or saturated fats find the ratio of saturated fat's to total fat and an ounce of cheese

What is the value 5 in 458

Solve this system of equation: 5x + 2y = - 15 2x - 2y = -6

Marilyn has 4,000 one-inch cubes. She wants to pack them into a carton. The carton is 1 foot high and its base is 1 foot by 2 feet. Will all the cubes fit into the carton? Explain how you know

If you had 4 apples and 5 pencils how many pancakes can you fit on the roof A. purple bc aliens dont wear hats B. 69 C. 420 D. 12

How big is a teaspoon compared to a regular spoon?

Shella is making a scale model of a monument that is 215 feet tall. She uses a scale of 1 inch = 5 feet. How tall should Sella make her model?

X^2+y^2+3x=0 Find the x and y intercepts

Joan is building a sandbox in the shape of a regular pentagon. The perimeter of the pentagon is 35y4 - 65x3 inches. What is the length of one side of the sandbox? 5y - 9 inches 5y4 - 9x3 inches 7y - 13 inches 7y4 - 13x3 inches