Todd and Joan each generate a random sample of the 250 students in Grade 7 at their school. Each example has 20 students Todd and Joan write the numbers 1 through 250 on small pieces of paper and put them in different jars l. Then, they draw numbers randomly. Describe two things you notice about the two random samples taken from the same population.

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?

Me! i really need to get this right before 9. prove the divisibility of 7^6+7^5-7^4 by 11. use factoring so you get a number times 11. just tell me the number. i need this done asap

What effect would doubling all the dimensions of a triangular pyramid have on the volume of the pyramid? explain your reasoning.