Simplify the fraction.
A. 10c2
B. -10c2
C. -3c2
D. 3c2
Answer: C
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Solve the problem.Janice is running a 9753 meter race. Assume that she runs at a constant speed of 308 meters per minute. Express the function f(t) that gives her distance from the finishing line t minutes after the start of the race.
A. f(t) = 9753 + 308t
B. f(t) = 308t
C. f(t) = 9753 - 
D. f(t) = 9753 - 308t
Write each whole number in standard form.Thirty-two thousand, nine hundred five
A. 3,295 B. 32,905 C. 320,905 D. 32,950
Write a matrix to display the information.Barges from ports X and Y went to cities A and B. Shipping costs $220 from X to A, $300 from X to B, $400 from Y to A, and $180 from Y to B. Make a 2 × 2 matrix showing the shipping costs. Assign the ports to the rows and the cities to the columns.
A. 
B. 
C. 
D. 
Solve the problem.The time t in years for an amount increasing at a rate r (in decimal form) to double is given by 
This is called "doubling time." How long will it take for prices in the economy to double at a 9% annual inflation rate? Round to the nearest year.
A. 23 yr B. 8 yr C. 7 yr D. 13 yr