Kurt has c comic books. Sandra has 18 times as many comic books as Kurt. Write an expression that shows how many comic books Sandra has.

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?

Listed in the table is the percentage of students who chose each kind of juice at lunchtime. use the table to determine the measure of the central angle you would draw to represent orange juice in a circle graph

Which inequality is equivalent to -3x < -12? x < 4 , x < -4 , x > 4, x > -4