Which of the following variables would most likely follow a Normal model? Head circumference of 18 year old males
Prices of jewelry

Heights of singers in a co-ed choir
The last digit of US phone numbers

Daniel bought a computer game for $25 and later sold it to thomas for a 40% profit. how much did daniel sell the computer game for?

List x1, x2, x3, x4 where xi is the left endpoint of the four equal intervals used to estimate the area under the curve of f(x) between x = 4 and x = 6. a 4, 4.5, 5, 5.5 b 4.5, 5, 5.5, 6 c 4.25, 4.75, 5.25, 5.75 d 4, 4.2, 5.4, 6

Look at triangle wxy what is the length (in centimeters) of the side wy of the triangle?