Solve the problem.The NCAA Division 4 women's champion for the 400-m dash in 1998 was Sally Sprintalot of World State University. Her winning time was 4.79 sec. What was her rate in meters per second?
A. 81.51 m per sec
B. 85.51 m per sec
C. 1916.00 m per sec
D. 83.51 m per sec
Answer: D
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Choose the graph that represents the given function without using a graphing utility.f(x) = 
A. 
B. 
C. 
D. 
Find the difference.14.400 - 6.180
A. 8.120 B. 20.580 C. 8.220 D. 8.320
Provide an appropriate response.Suppose a corporation pays $50,000 for a machine that has a useful life of eight years and a salvage value of $5000. A sinking fund is established to replace the machine at the end of 8 years. The replacement machine will cost $70,000. If equal payments are made into the fund at the end of every 6 months and the fund earns interest at the rate of 10% compounded semiannually, what should each payment be?
Fill in the blank(s) with the appropriate word(s).
Determine whether the statement is an expression or an equation.63y + 7(x + 9z)
A. Expression B. Equation