(MIDDLE SCHOOL MATH) For a school dance, a section of the gym, in the shape of a trapezoid, has
been designated as the dance floor. The dimensions are as follows:
base₁ = 10ft, b₂ = 14.1ft and h= 12.5ft.
Mrs. Hernandez needs to determine the area of the dance floor, so she will
know how many students can dance at one time. What is the area of the
dance floor?

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

What is the difference between the predicted value and the actual value

The number if marbles of different colors stored in a hat is listed below: 4 red marbles 10 green marbles 7 blue marbles. without looking in the hat, dan takes out a marble at random. he replaces the marble and then takes out another marble from the hat. what is the probability that dan takes out a blue marble in both draws?