Thomas surveyed his class to find the number of pets that each student had. He complied his results into a probability distribution which is shown. What is the expected number of pets for a student in his class?

On the first of each month, shelly runs a 5k race. she keeps track of her times to track her progress. her time in minutes is recorded in the table: jan 40.55 july 35.38 feb 41.51 aug 37.48 mar 42.01 sept 40.87 apr 38.76 oct 48.32 may 36.32 nov 41.59 june 34.28 dec 42.71 determine the difference between the mean of the data, including the outlier and excluding the outlier. round to the hundredths place. 39.98 39.22 0.76 1.21

In the xy-plane, if the parabola with equation passes through the point (-1, -1), which of the following must be true?

Which shows one way to determine the factors of 4x3 + x2 – 8x – 2 by grouping?