Jennifer is saving money to buy a bike. The bike costs $239. She has $127 saved, and each week she adds $16 to her savings.
How long will it take her to save enough money to buy the bike?
It will take her
weeks to save for the bike.

Ammonia molecules have three hydrogen atoms and one nitrogen atom.how many of each atom arein five molecules of ammonia

Circle a has a diameter of 7 inches, a circumference of 21.98 inches, and an area of 38.465 square inches. the diameter of circle b is 6 inches, the circumference is 18.84 inches, and the area is 28.26 square inches. part a: using the formula for circumference, solve for the value of pi for each circle. (4 points) part b: use the formula for area and solve for the value of pi for each circle. (4 points)

Math i have no idea how to do a and b