3x+2y-2x-4y+5y-6x simplify

An element with mass 210 grams decays by 8.3% per minute. how much of the element is remaining after 15 minutes, to the nearest 10th of a gram?

Boxes of shablam cereal originally cost $3.00. The store has reduced the price by 20%. You have a coupon for an additional the already discounted price. What is the final price of the cereal?

What is a value for the variable or an ordered pair that makes an equation true

What is the domain of the function y=2then this is under a square root x-5

Max was paid $429.50 on April 1st for his paycheck. Max spent $122 on some bills for the month of April on April 2nd. Max went on a date on April 5th and paid $36.75 for the dinner bill. Max went grocery shopping and paid $72.

The large Magellanic Cloud is a galaxy that orbits our milky way galaxy at a distance of 1.79 * 10^5 light years. which shows this number written in standard notation?

Jennifer had a total of 20 coins consisting of nickels and quarters. If the value of the coins was $1.80, how many quarters did she have?

How to write factor the expression to find equivalent 28x-36

Apply the communicative property to 13*7*21 to arrange the terms and still get the same solution

The middletown zoo has 130 different exhibits. of those 130 exhibits 30%of the exhibits contain birds. how many exhibits contain birds