The graph shows the rate at which the depth of the water in a pond is changing over time

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?

Find the area of a parallelogram with base 15 yards and height 21 2/3

Pls brainliest will be awarded if answer is correct