The number of hours per day a college student spends on homework has a mean of 6 hours and a standard deviation of 1.25 hours. yesterday she spent 3 hours on homework. how many standard deviations from the mean is​ that? round your answer to two decimal places.

Acircular city park has a sidewalk directly through the middle that is 111 - feet long. if each bag of fertilizer covers 50 square feet, then determine how many bags of fertilizers the parks and recreation department needs to use to cover the circular park. ignore all the sidewalks around and through the park.

Which math sentence can be used to determine if the triangle is a right triangle?

Write the equation in logarithmic form e^x=403.429