A radioactive substance decreases in the amount of grams by one half each year. If the starting amount of the substance in a rock is 1,752 g, find the amount of the substance left after 8 years. Round to the nearest
thousandth (three places).

12. the amount of money in a bank account decreased by 21.5% over the last year. if the amount of money at the beginning of the year is represented by ‘n', write 3 equivalent expressions to represent the amount of money in the bank account after the decrease?

Given f(x)=2x^2-8x+6 and g(x)=3x-1 find f(x) +g(x) a. 2x^2+5x+5 b.2x^2-11x+7 c. 2x^2-5x+5 d.2x^2-5x-5

Divide. reduce the answer to lowest terms.5 2/3 ÷ 3 1/9