Use the drop-down menus to determine which type of sparkline would best illustrate each example. 1. A sparkline would be most effective to show changes to the price of seafood or the unemployment rate. 2. A sparkline would be most effective to view a large set of data with positive and negative numbers. 3. A sparkline would be most effective to examine standardized test scores of thousands of students over decades of time.

Assume the existence of a bankaccount class. define a derived class, savingsaccount that contains two instance variables: the first a double, named interestrate, and the second an integer named interesttype. the value of the interesttype variable can be 1 for simple interest and 2 for compound interest. there is also a constructor that accepts two parameters: a double that is used to initialize the interestrate variable, and a string that you may assume will contain either "simple", or "compound", and which should be used to initialize the interesttype variable appropriately. there should also be a pair of functions getinterestrate and getinteresttype that return the values of the corresponding data members (as double and int respectively).

For her science class, elaine is creating a presentation on weather in the united states. she wants to make the presentation beautiful and interesting by drawing simple cloud or wave shapes. which is the best way for elaine to draw these shapes?

According to the video what are some tasks petroleum engineers perform check all that apply