Need with classifying shapes. simple high school geometry but i was absent the day we went over it.
p. s file with question is attached
p. p.s i just need question hw number 3 answered

What three-dimensional solid have 6 rectangular faces, 2 equal bases that are not rectangles and 18 edges

The stem-and-leaf plot shows the heights in centimeters of teddy bear sunflowers grown in two different types of soil. soil a soil b 5 9 5 2 1 1 6 3 9 5 1 0 7 0 2 3 6 7 8 2 1 8 3 0 9 key: 9|6 means 69 key: 5|8 means 58 calculate the mean of each data set. calculate the mean absolute deviation (mad) of each data set. which set is more variable? how do you know?

V=x^4-y^4 pick three expressions that can represent the three dimensions of the prism (each in meters)