At the beginning of the year, the number of books owned by a library was 10,000. Since then, it has grown by 1% each month. Which expressions represent the number of books, in thousands, owned by the library 5 years later if it continues to grow at that rate?

Bismuth-210 is an isotope that radioactively decays by about 13% each day, meaning 13% of the remaining bismuth-210 transforms into another atom (polonium-210 in this case) each day. if you begin with 233 mg of bismuth-210, how much remains after 8 days?

What is the unit rate of, 75% high fiber chimp food to 25% high protein chimp food.

The value of x in this system of equations is 1. 3x + y = 9 y = –4x + 10 substitute the value of y in the first equation: combine like terms: apply the subtraction property of equality: apply the division property of equality: 3x + (–4x + 10) = 9 –x + 10 = 9 –x = –1 x = 1 what is the value of y?