Curium-243 has a half-life of 28.5 days. In a sample of 5.6 grams of curium-243, how mamy grams will remain after 12 days?

After Egypt destroyed the old capital, which city became the new capital of Nubia?

P2 - 14p - 72 = 0 p2 - 14p = 72 p2 - 14p + 49 = 72 + 49 Which describes the solutions of the equation?

Express 45 minutes as a fraction of 1 hour in lower terms

If 1/3 of a gallon of paint covers 1/9 of a gate, then how many gallons of paint are needed to cover the entire gate?

Calculate the square root of the difference of the squares of 25 and 20 and divide the result by (2 - 1/5)

You have a bag of bubble gum containing six grape, nine sour apple and five regular flavored pieces. You randomly pick one piece, give it to your friend, and then randomly pick another piece for yourself.

In a class of 40 students, 8 are in the drama club and 12 are in the art club. If a student is selected at random, what is the probability that the selected student is ... 1 ... in the drama club? 1 ... in the art club?

What is the factored form of the expression? 12d2 + 4d - 1

The sum of two decimal numbers is 3.9 Their difference is 0.9, and their product is 3.6 What are the two numbers?

Solve Q-7 5/6 = 6 1/2