You have 960 grams of radioactive kind of nitrogen. If it's half-life is 10 minutes, how much will be left after 20 minutes?

How old is rob if he was 45 years old eighteen years ago

What is 11-5a+3b-9h simplified

What is the decimal number of 3 cents

The diagonals of a trapezoid are perpendicular

Building A is 880 ft tall and contains 71 stories. Building B contains 100 stories If the two buildings have the same number of feet per floor approximate the height of building B. whats the approximate height of buidling B

A teenager consumes 20% of her calores each day in the form of protein. If she is getting 700 calories a day for protein, how many calories is she consuming per day?

What is 45% of 175? -pre algebra

Is n=3 is a solution to the equation or 2n=6

Your friend says the solution to 4 x plus 24 x minus 2 equals 7 left parenthesis 4 x plus 2 right parenthesis is xequals16. Solve 4 x plus 24 x minus 2 equals 7 left parenthesis 4 x plus 2 right parenthesis. What was your friend's likely error?

To students are both working on the same problem a Box of laundry soap as 25% more so in its new Box the new Box hold 2Kg how much soap did the old box hold