You decide to invest $200 at the beginning of every year. If your rate of return is 5% compounded annually, how much money will you have at the end of the 4th year?

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?

Which of the following answers is 5/25 simplified? 1/5 5/5 2/5 1/25

Consider that lines b and c are parallel. what is the value of x? what is the measure of the smaller angle?