What is the slope of a line parallel to the line represented by the equation 2x - 4y = 12?​

Complete the statements about the system of linear equation respresented by the tables the equation respented the left table is

What is the number 321,000,000 in scientific notation? also what is the number? ?

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?