If I buy chips for $1.00 and Pink Lemonade for $0.99 how much in total with 6% tax

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

Aline has a slope of and a y-intercept of –2. what is the x-intercept of the line?

Select the margin of error that corresponds to the sample mean that corresponds to each population: a population mean of 360, a standard deviation of 4, and a margin of error of 2.5%