Arectanglular swimming pool is twice as long as it is wide. a small concrete walk was surrounds the pool. the walk way is a constant 2 feet wide and has an area of 196 square feet (just the walk way). find the dimensions of the pool by factoring. (a=lw)

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?

What term makes it inconsistent y=2x - 4

Jose predicted that he would sell 48 umbrellas. he actually sold 72 umbrellas. what are the values of a and b in the table below? round to the nearest tenth if necessary