Will give brainliest
Which of these options are linear?

Scale factor of 2 is used to enlarge a figure as shown below the area of is 18 in.²

Lisa has three classes that each last 50 minutes. what is the total number of minutes of the three classes

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?