LinkedList is more efficient than ArrayList for the following operations:A. Insert/delete an element in the middle of the list. B. Insert/delete an element in the beginning of the list. C. Insert/delete an element at the end of the list. D. Retrieve an element given the index.

An automated water dispenser fills packets with one liter of water on average, with a standard deviation of 5 milliliter. the manual says that after a year of operation the dispenser should be tested to see if it needs recalibration. a year later a number of filled packets are set aside and measured separately. it is found that the average packet now contains about 0.995 liters. does the dispenser need calibration? explain your answer.

Complete each statement from the information given and the triangle criterion you used. if the triangles cannot be shown to be congruent, leave the box for the second triangle blank and choose for reason “cannot be determined.” carbon - regular hexagon. ∆can ≅ ∆ by

If x-1 and x+3 are the factors of x3+10x2+ax+b find a and b