5 miles equals How many yards?

Ann and betty together have $60 ann has $9 more than twice betty’s amount how much money dose each have

The? half-life of a radioactive substance is 20 years. if you start with some amount of this? substance, what fraction will remain in 120 ? years

Divide. –4.2 ÷ 6 = a –0.7 b 0.7 c –7 d 7 me