Tom is riding his bike at 8.0 m/s. He slows down to 4.0 m/s . His change in velocity is ? If it takes tom 2 seconds to make the change , his acceleration is ? M/s

How do you convert 1.27 to a percentage

Janie has $3. she earns $1.20 for each chore she does and can do fractions of chores. she wants to earn enough money to buy a cd for $13.50. write an inequality to determine the number of chores, c, janie could do to have enough money to buy the cd.

Suppose that sahil knows that 45 people with ages of 18 to 29 voted. without using a calculator, he quickly says then 135 people with ages of 30to 49 voted. is he correct? how might sohil have come up with his answer so quickly?