Evaluate the expression.(-4)-1
A. -4
B. - 
C. 
D. 4
Answer: B
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Use the Gauss-Jordan method to find A-1, if it exists.A = 
A. 
B. 
C. 
D. Does not exist
Solve the problem.A moving firm charges a flat fee of $30 plus $25 per hour. Let f(x) represent the cost, in dollars, of using the moving firm for x hours. Write a formula for f(x).
A. f(x) = 25x + 30 B. f(x) = 30x - 25 C. f(x) = 30x + 25 D. f(x) = 25x - 30
Test the validity of the argument. Tell and show why the argument is valid or invalid.If it is warm, Brenda will go to the park or go shopping. It is warm and Brenda goes shopping. Thus, she does not go to the park.
What will be an ideal response?
Provide an appropriate response.Which one of the following ratios is not the same as .75?(a) 3 to 4 (b) 8 to 6(c) .750 (d) 75 to 100
Fill in the blank(s) with the appropriate word(s).