One number is twenty-nine more than three times another number. if each number were multiplied by five. their difference would be 345. what are the numbers?

Barbara's piano instructors house is 7 1/8 miles from her house. after biking for 1 3/4 miles she stops to rest how much longer does she need to bike to reach her instructor's house

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?

On average, how many more hits will he get when he bats 100 times at home during the day as opposed to 100 times away at night?