Part A: The sun produces 4.2 ⋅ 1036 ergs of radiant energy per second. How many ergs of radiant energy does the sun produce in 2.12 ⋅ 107 seconds? Show your work. (5 points) Part B: Which is the more reasonable measurement of the diameter of a human hair: 2.3 ⋅ 10−2 mm or 2.3 ⋅ 102 mm? Justify your answer. (5 points)

The table represents a function. what is f(-2)? a.-3 b. -1 c.1 d.3

What is the total surface area of this square pyramid?

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?