Aluminum gold is 22% aluminum; the rest is gold. If aluminum gold bar contains 55g of aluminum, how many grams of gold does it contain?

Suppose you are playing a game of chance. If you bet $5 on a certain event, you will collect $115 (including your $5 bet) if you win. Find the odds used for determining the payoff.

Solve this system of equations: y = x2 - 3x + 12 y = - 2x + 14 4. Substitute the values of x, - 1 and 2, into either original equation to solve for the values of y. What are the solutions of the system of equations? One solution is (-1,).

Tony's taking cookies to a bake sale. He already made 70 cookies on Monday, and wants to make more on Tuesday. His plan allows him to bake 14 cookies per batch.

449/0.42 nearest tenth

3 equivalent ratios for 5/7

Which days are part of line BE

Assignment Active Relating a Real-World Situation to a Table Which table represents the relationship "A 747 jumbo jet has a cruising speed of 550 miles per hour"?

If f (x) = 7 sec x - 5x, find f ' (x).

The difference of 2 numbers is more than 12, and one of the numbers is 3 ... Then solve it

Nancy spent half of her allowance going to the movies. She washed the family car and earned 7 dollars. What is her weekly allowance if she ended with 17 dollars