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lu2105 For the following system

The purple ions in the figure are __________.

ar2205 What does the following code do? function Z = do_something_else(A, p)    [~,n] = size(A);    Z = eye(n);    %    for k=(p+1):n        Z(k, p) = -A(k, p)/A(p, p);    end    %    Z = Z*A;end  

Which of the following best belongs in the box with the question mark?

ar2101 Say we have the matrix multiplication where is an invertible

Which gland produces prolactin?

Workers who put 10% of their income into a retirement account each year are: consuming all of their income. smoothing consumption.     c. dissaving. trying to match income and spending.

If the CPI for this year is lower than the CPI for last year, disinflation must have occurred.

Which of the following tends to increase unemployment? a. unemployment benefits b. minimum wages c. labor unions d. all of the above

Suppose you deposit $1,000 in your checking account. If the reserve ratio is 10%, how much of your deposit can the bank loan out? a. $0 b. $100 c. $900 d. $1000