X + b + y = 180 is correct yes or no

45 was divided by a power of ten to get 4.5. what power of ten was it divided by? people 4.5

It is saturday morning and jeremy has discovered he has a leak coming from the water heater in his attic. since plumbers charge extra to come out on the weekends, jeremy is planning to use buckets to catch the dripping water. he places a bucket under the drip and steps outside to walk the dog. in half an hour the bucket is 1/5 of the way full. what is the rate at which the water is leaking per hour?

The radius of the earth is two times the radius of the moon. what fraction of the volume of the earth is the volume of the moon?