James estimated his food bill to be $12. The actual cost was $15. What is the percent error? 11% error
20% error
2% error
55% error

Imagine a new pasture with grass growing on it. every day after the seeds have germinated, the number of blades of grass in the pasture triples. after 18 days, the entire pasture is completely covered in grass. how many days did it take for the pasture to be one-third covered in grass?

Asimple random sample of size nequals14 is drawn from a population that is normally distributed. the sample mean is found to be x overbar equals 70 and the sample standard deviation is found to be sequals13. construct a 90% confidence interval about the population mean

If you shift the linear parent function, f(x)=x, up 13 units, what is the equation of the new function?