4. two lines are perpendicular when a. the product of their slopes is -1 b. the product of their slopes is greater than one c. they have the same slope d. their slopes are undefined

If a baby uses 15 diapers in 2 days how many diapers will the baby use in a year

Which shows the correct substitution of the values a,b and c from the equation 1=-2x+3x^2+1

The customer price index(cpi), which measures the cost of a typical package of customer goods,was 208.8 in 2011 and 244.1 in 2016.let x=11 corresponding to the year 2011 an estimate to cpi into 2013 and 2014. assume that the data can be modeled by a straight line and the trend to continue idenfinitely.use data points to find such a line and then estimate the requested quantities