Elena is 11. Elena walks home from school and lets herself into the house with her own house key. In this respect, Elena is similar to about what percentage of children in fourth through eighth grade?

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 functions below show the amount of money bella and sweet t had saved after earning money for doing chores. which description best compares the two functions?

What is the the solution to -2(8x-4) < 2x+5