My sister put my phone in the microwave and i'm pretty sure the battery blew up. i'm too scared to open the microwave. what do i do about my phone, microwave, and sister who put my phone in the microwave?

Some of the first computer games were created in the early 1970s by college students experimenting after hours to see what the were capable of doing.

Suppose there is a relation r(a, b, c) with a b+-tree index with search keys (a, b).1. what is the worst-case cost of finding records satisfying 10 < a < 50 using this index, in terms of the number of records n1, retrieved and the height h of the tree? 2. what is the worst-case cost of finding records satisfying 10 < a < 50 and 5 < b < 10 using this index, in terms of the number of records n2 that satisfy this selection, as well as n1 and h defined above? 3. under what conditions on n1 and n2, would the index be an efficient way of finding records satisfying the condition from part (2)?

Hazel has just finished adding pictures to her holiday newsletter. she decides to crop an image. what is cropping an image?