Solve the following systems of equations, using the a\b construct, as well as the gauss-seidel method with a tolerance of 10^(-7) (in some cases convergence may not occur).

a) 2x1 − x2 + 3x3 = 8

4x1 + 2x2 − 5x3 = −9

6x1 + 3x2 + x3 = 12

b) 10x1 + x2 + 2x3 = 3

x1 + 10x2 − x3 = 1.5

2x1 + x2 + 10x3 = −9

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).

Quic which one of the following is the most accurate definition of technology? a electronic tools that improve functionality b electronic tools that provide entertainment or practical value c any type of tool that serves a practical function d any type of tool that enhances communication

Rafael needs to add a title row to a table that he has inserted in word. what should he do? use the alignment options. use the merge and center option for all the cells in the top row. use the merge and center option on the first two cells in the top row. none of the above