I found a rock that contains 1g of radioactive Radium (half-life = 1600 years). I measure that 15g is no longer radioactive. How old is my rock?

How do u factor 6x^2+1x-2

What is 1,304,000,000 in scientific notation?

The sum of Andy and Brett's ages is 44. Andy's age is 8 more than twice Bret's age. Find the solution.

Given that - 5 < - 3, which statement is not true? -5 is to the left of - 3 on the number line. -3 is to the right of - 5 on the number line. -3 > - 5 -3 is less than - 5,

Henry can make 8 cupcakes (the y value) with one cup of flour (the x value). How many cup cakes can he make with 7 cups of flour

Whats 300 times 400? then add 500

Tina's swimming lesson started at 5:30 P. M. and ended at 6:25 P. M. How long did the swimming lesson last?

Solve - 1/2x>8 graph solution

Michale is traveling from San Francisco to Houston this morning. The flight will take 4 3/10 hours to complete. If the airplane travels 368.8 miles per hour, how many miles will the airplane travel? Explain

What is the correct first step to solving the equation x^2=10-3x