Solve for r
56=7r
can u plz me with this

What is the relationship between all triangles that can be drawn given the same three angles

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.

What is always true about a positive integer raised to a negative odd power?