Solve the problem.In a track meet, Ashley runs 400 meters in 58.5 seconds. What was her average speed in meters per second? (Round to the nearest tenth.)
A. 1.5
B. 0.1
C. 68.4
D. 6.8
Answer: D
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Solve the problem.Let g(x) = 
. Find a function y = f(x) so that (f ? g)(x) = 
.
A. f(x) = x2
B. f(x) = 
C. f(x) = x
D. f(x) = 
Solve the system of equations by the addition method. If the system does not have a single ordered pair as a solution, state whether the system is inconsistent or dependent.8x - 6y = -6-3x - 2y = -2
A. (0, 2) B. (-1, 2) C. No solution, inconsistent D. (0, 1)
Tell what possible misuses or misinterpretations may exist for the following statement.Eighty-five percent of all knife accidents involve kitchen knives. Thus, kitchen knives are not as safe as other types of knives.
What will be an ideal response?
Identify the type of sampling described by the proposal.A sample consists of every 30th worker from a group of 5000 workers.
A. stratified sample B. convenience sample C. simple random sample D. cluster sample E. systematic sample