In 2009, the federal minimum wage in the United States increased from $6.55 per hour (in 2008) to $7.25 per hour (in 2009). By what percentage did the minimum wage
increase?

The lines shown below are parallel. if the green line has a slope of -1, what is the slope of the red line

An assembly consists of two mechanical components. suppose that the probabilities that the first and second components meet specifications are 0.87 and 0.84. assume that the components are independent. determine the probability mass function of the number of components in the assembly that meet specifications. x

According to modern science, earth is about 4.5 billion years old and written human history extends back about 10,000 years. suppose the entire history of earth is represented with a 10-meter-long timeline, with the birth of earth on one end and today at the other end.