A 5.0 kg and a 10 kg sphere are 0.3 m apart (center-to-center distance). Find the force of attraction between them.

Add the fractions, and simply the result to lowest terms. 2/3 + 2/7= ?

Express in the simplest form: (x^2+9x+14/x^2-49) / (3x+6/x^2+x-56)

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.