Atoy store’s percent of markup is 30%. a model train costs the store $50. find the markup.

$166.67

$35

$65

$15

What is the ratio for the surface areas of rectangle prisims shown below given that they are similar and that the ratio of their edge lengths is 7: 3

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?

If f(x)= 3x+6 which of the following is the inverse of f(x)