The dot plots below show students' typing speed at the beginning and end of a typing course. SELECT ALL the statements that are true about the dot plots below... 1. Overall, the students improved by the end of the course.

2. There are 20 students enrolled in the course.

3. The center of the data is 20 words per minute for both dot plots.

4. The center of the end of course dot plot is about 27 wpm.

5. The range of beginning of course data is 20 wpm.

part a

x     y

0     8

1     7.5

2     7

3     6.5

4     6

5     5.5  

for every hour i deducted .5 inches from the length of the candle

part b

it is a function because for every x value there is only one y value

part   c

for every x value there is only one y value

x       y

0       8

1       7.6

2       7.2

3       6.8

step-by-step explanation:

v = 1/3 a^2h

step-by-step explanation:

if the height is 57.7cm and the height of the slant edge is 18.2cm, then the volume is 1/3 a^2h.

0.50 , 0.75

step-by-step explanation: