Tom measured the height of the trees in his yard in feet, and recorded the data in a stem-and-leaf plot. Which graph shows his data displayed correctly? 12, 15, 24, 37, 55, 58, 65, 70, 85, 88

Height of Trees
1 I 2 I 5
2 I 4
3 I 7
5 I 5 I 8
6 I 5
7 I 0
8 I 5 I 8
1 I 2

Height of Trees
1 2 5
2 4
3 7
4
5 5 8
6 5
7 0
8 5 8
1 2 = 12 feet

Height of Trees
1 2 5
2 4
3 7
5 5 8
6 5
7 0
8 5 8

Height of Trees
1 2 5
2 4
3 7
5 5
6 5
7 0 8
8 5 8

If you are trying to move an attached term across the equal sign (=), what operation would you use to move it?

If x-1 and x+3 are the factors of x3+10x2+ax+b find a and b

Ur environment is very sensitive to the amount of ozone in the upper atmosphere. the level of ozone normally found is 4.04.0 parts/million (ppm). a researcher believes that the current ozone level is not at a normal level. the mean of 2525 samples is 4.44.4 ppm with a standard deviation of 0.80.8. assume the population is normally distributed. a level of significance of 0.020.02 will be used. make the decision to reject or fail to reject the null hypothesis. answer tables