A scientist begins with 100 mg of a radioactive substance. After 6 days, it has decayed to 60 mg. How long after the process began will it take to decay to 10 mg?

1. x/x+3 + x+2/x+5 2. x+4/x2+5x+6 • x+3/x2-16 3. 2/x2-9 - 3x/x2-5x+6 4. x+4/x2-5x+6 : x2-16/x+3 Show your work

What is the volume of a cylinder with a diameter of 6m and a height of 5m?

What are the domain and range of the function fix) = log (x-4) - 32

The population of a town in 2000 was 430. The population is increasing at a rate of 0.9% every year. What will be the projected population of the town in 2010? Round your answer to the nearest whole number.

Two number that have a sum of 45 twice the greater number is six more than 5 times the lesser number

Which of the following scenarios will least negativity impact a credit score? A) Consistently making late payments B) Applying for many different credit cards C) Keeping a high balance on credit cards D) having a short credit history

By p = {a factor of 50}

What is the gcf of 45, 18, and 39?

Marcos earned $300 mowing lawns this month of his earnings he plans to spend 18% repair in lawn equipment put 20% of savings and use 35% for canvas he will spend the rest how much will Marcos have left to spend

What's the number of 6,007,200