Thermonuclear weapons use tritium, a radioactive form of hydrogen, for their nuclear reactions. Tritium decays at a rate of 5.613% per year. Safeway Labs stocks 300 pounds of Tritium. How much Tritium will
they have in 20 years? In how many years will they have 100 pounds of Tritium?

Idont understand math at all! : o( use this scenario to answer the remaining questions: brenton purchased a new bedroom set for $4,500.00. he lives in arizona and pays a 8.75% sales tax. if he made a 50% down payment and financed the rest, what amount did he finance? what is the total sales tax brenton will pay? enter your answer in currency format, round to the nearest cent. what was brenton's total amount financed? enter your answer in currency format, round to the nearest cent.

Acourt reporter is transcribing an accident report from germany. the report states that the driver was traveling 80 kilometers per hour. how many miles per hour was the driver traveling?

(-y to the power of 2 - 4y- to the power of 2 -6 y +3)