Tierra, cameron, and justice wrote equations to calculate the amount of money in a savings account after one year with 1/2% interest paid annually on a balance on m dollars. let t represent the total amount of money saved.

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?

There were 816 people at a concert when a band started to play. after each song, only half the people stayed to hear the next song. how many people were left at the concert after x songs? write a function to represent this scenario.

Find the value of x for which abcd must be a parallelogram -9-6x x-30