A rare isotope of a nuclear material is very unstable, decaying at a rate of 14% each second. Find how much isotope remains 13 seconds after 7 grams of the isotope is created. The mass of the remaining isotope is approximately _ g

Write a verbal expression for this algebraic expression 23F

7n - 4 = 31 solve for n

Given r=2, s=5, t=8; what is 12s - 2rt + 101?

Subtract these polynomials. (3x^2+3x+3) - (x^2+2x+3)

A grocery store display has 60 oranges and 18 apples. what is the ratio of oranges to apples?

A firkin is an old British unit of volume equal to 9 gallons. How many cubic meters are there in 6.00 firkins?

The procedures can also be called the methods

Jen Butler has been pricing Speed-Pass train fares for a group trip to New York. Three adults and four children must pay $ 136. Two adults and three children must pay $ 97. Find the price of the adult's ticket and the price of a child's ticket.

A. 1/3x b. 2x c. 3x d. 2x=1

Name the property 5x + 2 = 2 + 5x