The half-life of a radium isotope is 1,600 years. after 4,800 years, approximately how much of an original 10.0kg sample of this isotope will remain

A quilt is made of 8 rows of squares, and there are 6 squares in each row. Each square measures 1 foot on a side. Explain how to find the area of the quilt in a square feet. Then write the area.

Describe two methods for adding or subtracting linear expressions

Triple 3 and then add double 8

Yasmin bought several items at the discount store. She paid 8.75 percent sales tax, an amount of $4.59, on the total amount of her purchase. What was the total amount of her purchase before tax was added?

The population of Rock Springs is growing at a constant rate. The expression represents the increase in population in x years. 45,200 + 1,900x What is the initial population of Rock Springs? A) 0 B) 1,900 C) 45,200 D) 47,100

Greg practiced playing his clarinet for 12 minutes. He has practiced 40% of the amount of time he needs to practice today. How many more minutes does Greg need to practice today?

Given that a Disney character is chosen at random, what is the probability that the character is not a mouse?

I bought a box of 124 crayons for the art class to share. The crayons cost $21.08 with tax included. What was the cost per crayon?

Explain how you could find the simplest form of 100/1,000.

What is the range of the function f (x) = 4x + 9, given the domain D = {-4, - 2, 0, 2}? R = {-7, - 1, 9, 17} R = {1, 7, 9, 17} R = {-17, - 9, - 1, 17} R = {-7, 1, 9, 17}